19803872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 23161120

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 127, 176, 254, 352, 443, 508, 886, 1016, 1397, 1772, 2032, 2794, 3544, 4064, 4873, 5588, 7088, 9746, 11176, 14176, 19492, 22352, 38984, 44704, 56261, 77968, 112522, 155936, 225044, 450088, 618871, 900176, 1237742, 1800352, 2475484, 4950968, 9901936, 19803872]

約数ペア:

[(1, 19803872), (2, 9901936), (4, 4950968), (8, 2475484), (11, 1800352), (16, 1237742), (22, 900176), (32, 618871), (44, 450088), (88, 225044), (127, 155936), (176, 112522), (254, 77968), (352, 56261), (443, 44704), (508, 38984), (886, 22352), (1016, 19492), (1397, 14176), (1772, 11176), (2032, 9746), (2794, 7088), (3544, 5588), (4064, 4873)]