20119918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{487}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 37384704

約数和(自身を除く): 17264786

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 227, 454, 487, 974, 1589, 2951, 3178, 3409, 5902, 6331, 6818, 12662, 20657, 41314, 44317, 88634, 110549, 221098, 773843, 1437137, 1547686, 2874274, 10059959, 20119918]

約数ペア:

[(1, 20119918), (2, 10059959), (7, 2874274), (13, 1547686), (14, 1437137), (26, 773843), (91, 221098), (182, 110549), (227, 88634), (454, 44317), (487, 41314), (974, 20657), (1589, 12662), (2951, 6818), (3178, 6331), (3409, 5902)]