18126680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3169}}^1$

素因数の和:3204

約数の個数: 64

約数和(自身を含む): 47930400

約数和(自身を除く): 29803720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3169, 5720, 6338, 12676, 15845, 25352, 31690, 34859, 41197, 63380, 69718, 82394, 126760, 139436, 164788, 174295, 205985, 278872, 329576, 348590, 411970, 453167, 697180, 823940, 906334, 1394360, 1647880, 1812668, 2265835, 3625336, 4531670, 9063340, 18126680]

約数ペア:

[(1, 18126680), (2, 9063340), (4, 4531670), (5, 3625336), (8, 2265835), (10, 1812668), (11, 1647880), (13, 1394360), (20, 906334), (22, 823940), (26, 697180), (40, 453167), (44, 411970), (52, 348590), (55, 329576), (65, 278872), (88, 205985), (104, 174295), (110, 164788), (130, 139436), (143, 126760), (220, 82394), (260, 69718), (286, 63380), (440, 41197), (520, 34859), (572, 31690), (715, 25352), (1144, 15845), (1430, 12676), (2860, 6338), (3169, 5720)]