18519498

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 41760576

約数和(自身を除く): 23241078

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 337, 387, 426, 639, 674, 774, 1011, 1278, 2022, 3033, 3053, 6066, 6106, 9159, 14491, 18318, 23927, 27477, 28982, 43473, 47854, 54954, 71781, 86946, 130419, 143562, 215343, 260838, 430686, 1028861, 2057722, 3086583, 6173166, 9259749, 18519498]

約数ペア:

[(1, 18519498), (2, 9259749), (3, 6173166), (6, 3086583), (9, 2057722), (18, 1028861), (43, 430686), (71, 260838), (86, 215343), (129, 143562), (142, 130419), (213, 86946), (258, 71781), (337, 54954), (387, 47854), (426, 43473), (639, 28982), (674, 27477), (774, 23927), (1011, 18318), (1278, 14491), (2022, 9159), (3033, 6106), (3053, 6066)]