19186948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 20112956

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 113, 187, 226, 227, 374, 452, 454, 748, 908, 1243, 1921, 2486, 2497, 3842, 3859, 4972, 4994, 7684, 7718, 9988, 15436, 21131, 25651, 42262, 42449, 51302, 84524, 84898, 102604, 169796, 282161, 436067, 564322, 872134, 1128644, 1744268, 4796737, 9593474, 19186948]

約数ペア:

[(1, 19186948), (2, 9593474), (4, 4796737), (11, 1744268), (17, 1128644), (22, 872134), (34, 564322), (44, 436067), (68, 282161), (113, 169796), (187, 102604), (226, 84898), (227, 84524), (374, 51302), (452, 42449), (454, 42262), (748, 25651), (908, 21131), (1243, 15436), (1921, 9988), (2486, 7718), (2497, 7684), (3842, 4994), (3859, 4972)]