18839574

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 27286506

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 47, 54, 78, 94, 117, 141, 234, 282, 351, 423, 571, 611, 702, 846, 1142, 1222, 1269, 1713, 1833, 2538, 3426, 3666, 5139, 5499, 7423, 10278, 10998, 14846, 15417, 16497, 22269, 26837, 30834, 32994, 44538, 53674, 66807, 80511, 133614, 161022, 200421, 241533, 348881, 400842, 483066, 697762, 724599, 1046643, 1449198, 2093286, 3139929, 6279858, 9419787, 18839574]

約数ペア:

[(1, 18839574), (2, 9419787), (3, 6279858), (6, 3139929), (9, 2093286), (13, 1449198), (18, 1046643), (26, 724599), (27, 697762), (39, 483066), (47, 400842), (54, 348881), (78, 241533), (94, 200421), (117, 161022), (141, 133614), (234, 80511), (282, 66807), (351, 53674), (423, 44538), (571, 32994), (611, 30834), (702, 26837), (846, 22269), (1142, 16497), (1222, 15417), (1269, 14846), (1713, 10998), (1833, 10278), (2538, 7423), (3426, 5499), (3666, 5139)]