18213800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 49014720

約数和(自身を除く): 30800920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 85, 88, 100, 110, 136, 170, 187, 200, 220, 275, 340, 374, 425, 440, 487, 550, 680, 748, 850, 935, 974, 1100, 1496, 1700, 1870, 1948, 2200, 2435, 3400, 3740, 3896, 4675, 4870, 5357, 7480, 8279, 9350, 9740, 10714, 12175, 16558, 18700, 19480, 21428, 24350, 26785, 33116, 37400, 41395, 42856, 48700, 53570, 66232, 82790, 91069, 97400, 107140, 133925, 165580, 182138, 206975, 214280, 267850, 331160, 364276, 413950, 455345, 535700, 728552, 827900, 910690, 1071400, 1655800, 1821380, 2276725, 3642760, 4553450, 9106900, 18213800]

約数ペア:

[(1, 18213800), (2, 9106900), (4, 4553450), (5, 3642760), (8, 2276725), (10, 1821380), (11, 1655800), (17, 1071400), (20, 910690), (22, 827900), (25, 728552), (34, 535700), (40, 455345), (44, 413950), (50, 364276), (55, 331160), (68, 267850), (85, 214280), (88, 206975), (100, 182138), (110, 165580), (136, 133925), (170, 107140), (187, 97400), (200, 91069), (220, 82790), (275, 66232), (340, 53570), (374, 48700), (425, 42856), (440, 41395), (487, 37400), (550, 33116), (680, 26785), (748, 24350), (850, 21428), (935, 19480), (974, 18700), (1100, 16558), (1496, 12175), (1700, 10714), (1870, 9740), (1948, 9350), (2200, 8279), (2435, 7480), (3400, 5357), (3740, 4870), (3896, 4675)]