18644108

素因数分解:

$2^2\times 7^3\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20063092

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 107, 127, 196, 214, 254, 343, 428, 508, 686, 749, 889, 1372, 1498, 1778, 2996, 3556, 5243, 6223, 10486, 12446, 13589, 20972, 24892, 27178, 36701, 43561, 54356, 73402, 87122, 95123, 146804, 174244, 190246, 380492, 665861, 1331722, 2663444, 4661027, 9322054, 18644108]

約数ペア:

[(1, 18644108), (2, 9322054), (4, 4661027), (7, 2663444), (14, 1331722), (28, 665861), (49, 380492), (98, 190246), (107, 174244), (127, 146804), (196, 95123), (214, 87122), (254, 73402), (343, 54356), (428, 43561), (508, 36701), (686, 27178), (749, 24892), (889, 20972), (1372, 13589), (1498, 12446), (1778, 10486), (2996, 6223), (3556, 5243)]