19657304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144539}}^1$

素因数の和:144562

約数の個数: 16

約数和(自身を含む): 39025800

約数和(自身を除く): 19368496

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144539, 289078, 578156, 1156312, 2457163, 4914326, 9828652, 19657304]

約数ペア:

[(1, 19657304), (2, 9828652), (4, 4914326), (8, 2457163), (17, 1156312), (34, 578156), (68, 289078), (136, 144539)]