18950631

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 30919680

約数和(自身を除く): 11969049

約数列:

[1, 3, 7, 17, 21, 51, 109, 119, 327, 357, 487, 763, 1461, 1853, 2289, 3409, 5559, 8279, 10227, 12971, 24837, 38913, 53083, 57953, 159249, 173859, 371581, 902411, 1114743, 2707233, 6316877, 18950631]

約数ペア:

[(1, 18950631), (3, 6316877), (7, 2707233), (17, 1114743), (21, 902411), (51, 371581), (109, 173859), (119, 159249), (327, 57953), (357, 53083), (487, 38913), (763, 24837), (1461, 12971), (1853, 10227), (2289, 8279), (3409, 5559)]