18959302

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 31489920

約数和(自身を除く): 12530618

約数列:

[1, 2, 19, 38, 41, 43, 82, 86, 283, 566, 779, 817, 1558, 1634, 1763, 3526, 5377, 10754, 11603, 12169, 23206, 24338, 33497, 66994, 220457, 231211, 440914, 462422, 498929, 997858, 9479651, 18959302]

約数ペア:

[(1, 18959302), (2, 9479651), (19, 997858), (38, 498929), (41, 462422), (43, 440914), (82, 231211), (86, 220457), (283, 66994), (566, 33497), (779, 24338), (817, 23206), (1558, 12169), (1634, 11603), (1763, 10754), (3526, 5377)]