19228904

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8317}}^1$

素因数の和:8357

約数の個数: 24

約数和(自身を含む): 38304390

約数和(自身を除く): 19075486

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8317, 16634, 33268, 66536, 141389, 282778, 565556, 1131112, 2403613, 4807226, 9614452, 19228904]

約数ペア:

[(1, 19228904), (2, 9614452), (4, 4807226), (8, 2403613), (17, 1131112), (34, 565556), (68, 282778), (136, 141389), (289, 66536), (578, 33268), (1156, 16634), (2312, 8317)]