18969916

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{11483}}^1$

素因数の和:11553

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 19616324

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 11483, 22966, 45932, 80381, 160762, 321524, 677497, 1354994, 2709988, 4742479, 9484958, 18969916]

約数ペア:

[(1, 18969916), (2, 9484958), (4, 4742479), (7, 2709988), (14, 1354994), (28, 677497), (59, 321524), (118, 160762), (236, 80381), (413, 45932), (826, 22966), (1652, 11483)]