19989110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3793}}^1$

素因数の和:3848

約数の個数: 32

約数和(自身を含む): 39336192

約数和(自身を除く): 19347082

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 3793, 5270, 7586, 18965, 37930, 64481, 117583, 128962, 235166, 322405, 587915, 644810, 1175830, 1998911, 3997822, 9994555, 19989110]

約数ペア:

[(1, 19989110), (2, 9994555), (5, 3997822), (10, 1998911), (17, 1175830), (31, 644810), (34, 587915), (62, 322405), (85, 235166), (155, 128962), (170, 117583), (310, 64481), (527, 37930), (1054, 18965), (2635, 7586), (3793, 5270)]