19697764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7829}}^1$

素因数の和:7887

約数の個数: 24

約数和(自身を含む): 37490040

約数和(自身を除く): 17792276

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 7829, 15658, 31316, 133093, 266186, 289673, 532372, 579346, 1158692, 4924441, 9848882, 19697764]

約数ペア:

[(1, 19697764), (2, 9848882), (4, 4924441), (17, 1158692), (34, 579346), (37, 532372), (68, 289673), (74, 266186), (148, 133093), (629, 31316), (1258, 15658), (2516, 7829)]