19939696

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5743}}^1$

素因数の和:5789

約数の個数: 40

約数和(自身を含む): 45584384

約数和(自身を除く): 25644688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5743, 11486, 22972, 40201, 45944, 80402, 91888, 160804, 178033, 321608, 356066, 643216, 712132, 1246231, 1424264, 2492462, 2848528, 4984924, 9969848, 19939696]

約数ペア:

[(1, 19939696), (2, 9969848), (4, 4984924), (7, 2848528), (8, 2492462), (14, 1424264), (16, 1246231), (28, 712132), (31, 643216), (56, 356066), (62, 321608), (112, 178033), (124, 160804), (217, 91888), (248, 80402), (434, 45944), (496, 40201), (868, 22972), (1736, 11486), (3472, 5743)]