19994788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26731}}^1$

素因数の和:26763

約数の個数: 24

約数和(自身を含む): 40418784

約数和(自身を除く): 20423996

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 26731, 53462, 106924, 294041, 454427, 588082, 908854, 1176164, 1817708, 4998697, 9997394, 19994788]

約数ペア:

[(1, 19994788), (2, 9997394), (4, 4998697), (11, 1817708), (17, 1176164), (22, 908854), (34, 588082), (44, 454427), (68, 294041), (187, 106924), (374, 53462), (748, 26731)]