19646768

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12659}}^1$

素因数の和:12764

約数の個数: 20

約数和(自身を含む): 38461080

約数和(自身を除く): 18814312

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12659, 25318, 50636, 101272, 202544, 1227923, 2455846, 4911692, 9823384, 19646768]

約数ペア:

[(1, 19646768), (2, 9823384), (4, 4911692), (8, 2455846), (16, 1227923), (97, 202544), (194, 101272), (388, 50636), (776, 25318), (1552, 12659)]