19666012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 36140832

約数和(自身を除く): 16474820

約数列:

[1, 2, 4, 23, 46, 92, 181, 362, 724, 1181, 2362, 4163, 4724, 8326, 16652, 27163, 54326, 108652, 213761, 427522, 855044, 4916503, 9833006, 19666012]

約数ペア:

[(1, 19666012), (2, 9833006), (4, 4916503), (23, 855044), (46, 427522), (92, 213761), (181, 108652), (362, 54326), (724, 27163), (1181, 16652), (2362, 8326), (4163, 4724)]