19675528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19636472

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 199, 398, 727, 796, 1454, 1592, 2908, 3383, 5816, 6766, 12359, 13532, 24718, 27064, 49436, 98872, 144673, 289346, 578692, 1157384, 2459441, 4918882, 9837764, 19675528]

約数ペア:

[(1, 19675528), (2, 9837764), (4, 4918882), (8, 2459441), (17, 1157384), (34, 578692), (68, 289346), (136, 144673), (199, 98872), (398, 49436), (727, 27064), (796, 24718), (1454, 13532), (1592, 12359), (2908, 6766), (3383, 5816)]