18490654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 15861986

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 283, 359, 566, 718, 1981, 2513, 3679, 3962, 4667, 5026, 7358, 9334, 25753, 32669, 51506, 65338, 101597, 203194, 711179, 1320761, 1422358, 2641522, 9245327, 18490654]

約数ペア:

[(1, 18490654), (2, 9245327), (7, 2641522), (13, 1422358), (14, 1320761), (26, 711179), (91, 203194), (182, 101597), (283, 65338), (359, 51506), (566, 32669), (718, 25753), (1981, 9334), (2513, 7358), (3679, 5026), (3962, 4667)]