18480176

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 43309728

約数和(自身を除く): 24829552

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 197, 208, 286, 328, 394, 451, 533, 572, 656, 788, 902, 1066, 1144, 1576, 1804, 2132, 2167, 2288, 2561, 3152, 3608, 4264, 4334, 5122, 5863, 7216, 8077, 8528, 8668, 10244, 11726, 16154, 17336, 20488, 23452, 28171, 32308, 34672, 40976, 46904, 56342, 64616, 88847, 93808, 105001, 112684, 129232, 177694, 210002, 225368, 355388, 420004, 450736, 710776, 840008, 1155011, 1421552, 1680016, 2310022, 4620044, 9240088, 18480176]

約数ペア:

[(1, 18480176), (2, 9240088), (4, 4620044), (8, 2310022), (11, 1680016), (13, 1421552), (16, 1155011), (22, 840008), (26, 710776), (41, 450736), (44, 420004), (52, 355388), (82, 225368), (88, 210002), (104, 177694), (143, 129232), (164, 112684), (176, 105001), (197, 93808), (208, 88847), (286, 64616), (328, 56342), (394, 46904), (451, 40976), (533, 34672), (572, 32308), (656, 28171), (788, 23452), (902, 20488), (1066, 17336), (1144, 16154), (1576, 11726), (1804, 10244), (2132, 8668), (2167, 8528), (2288, 8077), (2561, 7216), (3152, 5863), (3608, 5122), (4264, 4334)]