17860981820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{691}}^1\times {\mathrm{971}}^1$

素因数の和:1704

約数の個数: 96

約数和(自身を含む): 41358304512

約数和(自身を除く): 23497322692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 691, 971, 1210, 1331, 1382, 1942, 2420, 2662, 2764, 3455, 3884, 4855, 5324, 6655, 6910, 7601, 9710, 10681, 13310, 13820, 15202, 19420, 21362, 26620, 30404, 38005, 42724, 53405, 76010, 83611, 106810, 117491, 152020, 167222, 213620, 234982, 334444, 418055, 469964, 587455, 670961, 836110, 919721, 1174910, 1292401, 1341922, 1672220, 1839442, 2349820, 2584802, 2683844, 3354805, 3678884, 4598605, 5169604, 6462005, 6709610, 7380571, 9197210, 12924010, 13419220, 14761142, 18394420, 25848020, 29522284, 36902855, 73805710, 81186281, 147611420, 162372562, 324745124, 405931405, 811862810, 893049091, 1623725620, 1786098182, 3572196364, 4465245455, 8930490910, 17860981820]

約数ペア:

[(1, 17860981820), (2, 8930490910), (4, 4465245455), (5, 3572196364), (10, 1786098182), (11, 1623725620), (20, 893049091), (22, 811862810), (44, 405931405), (55, 324745124), (110, 162372562), (121, 147611420), (220, 81186281), (242, 73805710), (484, 36902855), (605, 29522284), (691, 25848020), (971, 18394420), (1210, 14761142), (1331, 13419220), (1382, 12924010), (1942, 9197210), (2420, 7380571), (2662, 6709610), (2764, 6462005), (3455, 5169604), (3884, 4598605), (4855, 3678884), (5324, 3354805), (6655, 2683844), (6910, 2584802), (7601, 2349820), (9710, 1839442), (10681, 1672220), (13310, 1341922), (13820, 1292401), (15202, 1174910), (19420, 919721), (21362, 836110), (26620, 670961), (30404, 587455), (38005, 469964), (42724, 418055), (53405, 334444), (76010, 234982), (83611, 213620), (106810, 167222), (117491, 152020)]