18683500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 46126080

約数和(自身を除く): 27442580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 79, 86, 100, 110, 125, 158, 172, 215, 220, 250, 275, 316, 395, 430, 473, 500, 550, 790, 860, 869, 946, 1075, 1100, 1375, 1580, 1738, 1892, 1975, 2150, 2365, 2750, 3397, 3476, 3950, 4300, 4345, 4730, 5375, 5500, 6794, 7900, 8690, 9460, 9875, 10750, 11825, 13588, 16985, 17380, 19750, 21500, 21725, 23650, 33970, 37367, 39500, 43450, 47300, 59125, 67940, 74734, 84925, 86900, 108625, 118250, 149468, 169850, 186835, 217250, 236500, 339700, 373670, 424625, 434500, 747340, 849250, 934175, 1698500, 1868350, 3736700, 4670875, 9341750, 18683500]

約数ペア:

[(1, 18683500), (2, 9341750), (4, 4670875), (5, 3736700), (10, 1868350), (11, 1698500), (20, 934175), (22, 849250), (25, 747340), (43, 434500), (44, 424625), (50, 373670), (55, 339700), (79, 236500), (86, 217250), (100, 186835), (110, 169850), (125, 149468), (158, 118250), (172, 108625), (215, 86900), (220, 84925), (250, 74734), (275, 67940), (316, 59125), (395, 47300), (430, 43450), (473, 39500), (500, 37367), (550, 33970), (790, 23650), (860, 21725), (869, 21500), (946, 19750), (1075, 17380), (1100, 16985), (1375, 13588), (1580, 11825), (1738, 10750), (1892, 9875), (1975, 9460), (2150, 8690), (2365, 7900), (2750, 6794), (3397, 5500), (3476, 5375), (3950, 4730), (4300, 4345)]