17551820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 48390048

約数和(自身を除く): 30838228

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 19, 20, 22, 26, 34, 38, 44, 52, 55, 65, 68, 76, 85, 95, 110, 130, 143, 170, 187, 190, 209, 220, 221, 247, 260, 286, 323, 340, 361, 374, 380, 418, 442, 494, 572, 646, 715, 722, 748, 836, 884, 935, 988, 1045, 1105, 1235, 1292, 1430, 1444, 1615, 1805, 1870, 2090, 2210, 2431, 2470, 2717, 2860, 3230, 3553, 3610, 3740, 3971, 4180, 4199, 4420, 4693, 4862, 4940, 5434, 6137, 6460, 7106, 7220, 7942, 8398, 9386, 9724, 10868, 12155, 12274, 13585, 14212, 15884, 16796, 17765, 18772, 19855, 20995, 23465, 24310, 24548, 27170, 30685, 35530, 39710, 41990, 46189, 46930, 48620, 51623, 54340, 61370, 67507, 71060, 79420, 79781, 83980, 92378, 93860, 103246, 122740, 135014, 159562, 184756, 206492, 230945, 258115, 270028, 319124, 337535, 398905, 461890, 516230, 675070, 797810, 877591, 923780, 1032460, 1350140, 1595620, 1755182, 3510364, 4387955, 8775910, 17551820]

約数ペア:

[(1, 17551820), (2, 8775910), (4, 4387955), (5, 3510364), (10, 1755182), (11, 1595620), (13, 1350140), (17, 1032460), (19, 923780), (20, 877591), (22, 797810), (26, 675070), (34, 516230), (38, 461890), (44, 398905), (52, 337535), (55, 319124), (65, 270028), (68, 258115), (76, 230945), (85, 206492), (95, 184756), (110, 159562), (130, 135014), (143, 122740), (170, 103246), (187, 93860), (190, 92378), (209, 83980), (220, 79781), (221, 79420), (247, 71060), (260, 67507), (286, 61370), (323, 54340), (340, 51623), (361, 48620), (374, 46930), (380, 46189), (418, 41990), (442, 39710), (494, 35530), (572, 30685), (646, 27170), (715, 24548), (722, 24310), (748, 23465), (836, 20995), (884, 19855), (935, 18772), (988, 17765), (1045, 16796), (1105, 15884), (1235, 14212), (1292, 13585), (1430, 12274), (1444, 12155), (1615, 10868), (1805, 9724), (1870, 9386), (2090, 8398), (2210, 7942), (2431, 7220), (2470, 7106), (2717, 6460), (2860, 6137), (3230, 5434), (3553, 4940), (3610, 4862), (3740, 4693), (3971, 4420), (4180, 4199)]