18038020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 192

約数和(自身を含む): 54867456

約数和(自身を除く): 36829436

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 17, 20, 22, 26, 28, 34, 35, 44, 52, 53, 55, 65, 68, 70, 77, 85, 91, 106, 110, 119, 130, 140, 143, 154, 170, 182, 187, 212, 220, 221, 238, 260, 265, 286, 308, 340, 364, 371, 374, 385, 442, 455, 476, 530, 572, 583, 595, 689, 715, 742, 748, 770, 884, 901, 910, 935, 1001, 1060, 1105, 1166, 1190, 1309, 1378, 1430, 1484, 1540, 1547, 1802, 1820, 1855, 1870, 2002, 2210, 2332, 2380, 2431, 2618, 2756, 2860, 2915, 3094, 3445, 3604, 3710, 3740, 4004, 4081, 4420, 4505, 4823, 4862, 5005, 5236, 5830, 6188, 6307, 6545, 6890, 7420, 7579, 7735, 8162, 9010, 9646, 9724, 9911, 10010, 11660, 11713, 12155, 12614, 13090, 13780, 15158, 15470, 16324, 17017, 18020, 19292, 19822, 20020, 20405, 23426, 24115, 24310, 25228, 26180, 30316, 30940, 31535, 34034, 37895, 39644, 40810, 46852, 48230, 48620, 49555, 53053, 58565, 63070, 68068, 69377, 75790, 81620, 81991, 85085, 96460, 99110, 106106, 117130, 126140, 128843, 138754, 151580, 163982, 170170, 198220, 212212, 234260, 257686, 265265, 277508, 327964, 340340, 346885, 409955, 515372, 530530, 644215, 693770, 819910, 901901, 1061060, 1288430, 1387540, 1639820, 1803802, 2576860, 3607604, 4509505, 9019010, 18038020]

約数ペア:

[(1, 18038020), (2, 9019010), (4, 4509505), (5, 3607604), (7, 2576860), (10, 1803802), (11, 1639820), (13, 1387540), (14, 1288430), (17, 1061060), (20, 901901), (22, 819910), (26, 693770), (28, 644215), (34, 530530), (35, 515372), (44, 409955), (52, 346885), (53, 340340), (55, 327964), (65, 277508), (68, 265265), (70, 257686), (77, 234260), (85, 212212), (91, 198220), (106, 170170), (110, 163982), (119, 151580), (130, 138754), (140, 128843), (143, 126140), (154, 117130), (170, 106106), (182, 99110), (187, 96460), (212, 85085), (220, 81991), (221, 81620), (238, 75790), (260, 69377), (265, 68068), (286, 63070), (308, 58565), (340, 53053), (364, 49555), (371, 48620), (374, 48230), (385, 46852), (442, 40810), (455, 39644), (476, 37895), (530, 34034), (572, 31535), (583, 30940), (595, 30316), (689, 26180), (715, 25228), (742, 24310), (748, 24115), (770, 23426), (884, 20405), (901, 20020), (910, 19822), (935, 19292), (1001, 18020), (1060, 17017), (1105, 16324), (1166, 15470), (1190, 15158), (1309, 13780), (1378, 13090), (1430, 12614), (1484, 12155), (1540, 11713), (1547, 11660), (1802, 10010), (1820, 9911), (1855, 9724), (1870, 9646), (2002, 9010), (2210, 8162), (2332, 7735), (2380, 7579), (2431, 7420), (2618, 6890), (2756, 6545), (2860, 6307), (2915, 6188), (3094, 5830), (3445, 5236), (3604, 5005), (3710, 4862), (3740, 4823), (4004, 4505), (4081, 4420)]