19563928

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 37674000

約数和(自身を除く): 18110072

約数列:

[1, 2, 4, 8, 59, 118, 181, 229, 236, 362, 458, 472, 724, 916, 1448, 1832, 10679, 13511, 21358, 27022, 41449, 42716, 54044, 82898, 85432, 108088, 165796, 331592, 2445491, 4890982, 9781964, 19563928]

約数ペア:

[(1, 19563928), (2, 9781964), (4, 4890982), (8, 2445491), (59, 331592), (118, 165796), (181, 108088), (229, 85432), (236, 82898), (362, 54044), (458, 42716), (472, 41449), (724, 27022), (916, 21358), (1448, 13511), (1832, 10679)]