19988374

素因数分解:

$2^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{3457}}^1$

素因数の和:3532

約数の個数: 24

約数和(自身を含む): 35479080

約数和(自身を除く): 15490706

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 413, 826, 2891, 3457, 5782, 6914, 24199, 48398, 169393, 203963, 338786, 407926, 1427741, 2855482, 9994187, 19988374]

約数ペア:

[(1, 19988374), (2, 9994187), (7, 2855482), (14, 1427741), (49, 407926), (59, 338786), (98, 203963), (118, 169393), (413, 48398), (826, 24199), (2891, 6914), (3457, 5782)]