19581392

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20743}}^1$

素因数の和:20810

約数の個数: 20

約数和(自身を含む): 38583840

約数和(自身を除く): 19002448

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20743, 41486, 82972, 165944, 331888, 1223837, 2447674, 4895348, 9790696, 19581392]

約数ペア:

[(1, 19581392), (2, 9790696), (4, 4895348), (8, 2447674), (16, 1223837), (59, 331888), (118, 165944), (236, 82972), (472, 41486), (944, 20743)]