19667876

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 35421624

約数和(自身を除く): 15753748

約数列:

[1, 2, 4, 53, 106, 113, 212, 226, 452, 821, 1642, 3284, 5989, 11978, 23956, 43513, 87026, 92773, 174052, 185546, 371092, 4916969, 9833938, 19667876]

約数ペア:

[(1, 19667876), (2, 9833938), (4, 4916969), (53, 371092), (106, 185546), (113, 174052), (212, 92773), (226, 87026), (452, 43513), (821, 23956), (1642, 11978), (3284, 5989)]