19451696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1497

約数の個数: 40

約数和(自身を含む): 41664000

約数和(自身を除く): 22212304

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1399, 1738, 2798, 3476, 5596, 6952, 11192, 13904, 15389, 22384, 30778, 61556, 110521, 123112, 221042, 246224, 442084, 884168, 1215731, 1768336, 2431462, 4862924, 9725848, 19451696]

約数ペア:

[(1, 19451696), (2, 9725848), (4, 4862924), (8, 2431462), (11, 1768336), (16, 1215731), (22, 884168), (44, 442084), (79, 246224), (88, 221042), (158, 123112), (176, 110521), (316, 61556), (632, 30778), (869, 22384), (1264, 15389), (1399, 13904), (1738, 11192), (2798, 6952), (3476, 5596)]