19520216

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8443}}^1$

素因数の和:8483

約数の個数: 24

約数和(自身を含む): 38884620

約数和(自身を除く): 19364404

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8443, 16886, 33772, 67544, 143531, 287062, 574124, 1148248, 2440027, 4880054, 9760108, 19520216]

約数ペア:

[(1, 19520216), (2, 9760108), (4, 4880054), (8, 2440027), (17, 1148248), (34, 574124), (68, 287062), (136, 143531), (289, 67544), (578, 33772), (1156, 16886), (2312, 8443)]