18438420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:350

約数の個数: 192

約数和(自身を含む): 69543936

約数和(自身を除く): 51105516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 105, 110, 130, 132, 140, 143, 154, 156, 165, 182, 195, 210, 220, 231, 260, 273, 286, 307, 308, 330, 364, 385, 390, 420, 429, 455, 462, 546, 572, 614, 660, 715, 770, 780, 858, 910, 921, 924, 1001, 1092, 1155, 1228, 1365, 1430, 1535, 1540, 1716, 1820, 1842, 2002, 2145, 2149, 2310, 2730, 2860, 3003, 3070, 3377, 3684, 3991, 4004, 4290, 4298, 4605, 4620, 5005, 5460, 6006, 6140, 6447, 6754, 7982, 8580, 8596, 9210, 10010, 10131, 10745, 11973, 12012, 12894, 13508, 15015, 15964, 16885, 18420, 19955, 20020, 20262, 21490, 23639, 23946, 25788, 27937, 30030, 32235, 33770, 39910, 40524, 42980, 43901, 47278, 47892, 50655, 55874, 59865, 60060, 64470, 67540, 70917, 79820, 83811, 87802, 94556, 101310, 111748, 118195, 119730, 128940, 131703, 139685, 141834, 167622, 175604, 202620, 219505, 236390, 239460, 263406, 279370, 283668, 307307, 335244, 354585, 419055, 439010, 472780, 526812, 558740, 614614, 658515, 709170, 838110, 878020, 921921, 1229228, 1317030, 1418340, 1536535, 1676220, 1843842, 2634060, 3073070, 3687684, 4609605, 6146140, 9219210, 18438420]

約数ペア:

[(1, 18438420), (2, 9219210), (3, 6146140), (4, 4609605), (5, 3687684), (6, 3073070), (7, 2634060), (10, 1843842), (11, 1676220), (12, 1536535), (13, 1418340), (14, 1317030), (15, 1229228), (20, 921921), (21, 878020), (22, 838110), (26, 709170), (28, 658515), (30, 614614), (33, 558740), (35, 526812), (39, 472780), (42, 439010), (44, 419055), (52, 354585), (55, 335244), (60, 307307), (65, 283668), (66, 279370), (70, 263406), (77, 239460), (78, 236390), (84, 219505), (91, 202620), (105, 175604), (110, 167622), (130, 141834), (132, 139685), (140, 131703), (143, 128940), (154, 119730), (156, 118195), (165, 111748), (182, 101310), (195, 94556), (210, 87802), (220, 83811), (231, 79820), (260, 70917), (273, 67540), (286, 64470), (307, 60060), (308, 59865), (330, 55874), (364, 50655), (385, 47892), (390, 47278), (420, 43901), (429, 42980), (455, 40524), (462, 39910), (546, 33770), (572, 32235), (614, 30030), (660, 27937), (715, 25788), (770, 23946), (780, 23639), (858, 21490), (910, 20262), (921, 20020), (924, 19955), (1001, 18420), (1092, 16885), (1155, 15964), (1228, 15015), (1365, 13508), (1430, 12894), (1535, 12012), (1540, 11973), (1716, 10745), (1820, 10131), (1842, 10010), (2002, 9210), (2145, 8596), (2149, 8580), (2310, 7982), (2730, 6754), (2860, 6447), (3003, 6140), (3070, 6006), (3377, 5460), (3684, 5005), (3991, 4620), (4004, 4605), (4290, 4298)]