19688844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7561}}^1$

素因数の和:7606

約数の個数: 48

約数和(自身を含む): 54204416

約数和(自身を除く): 34515572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7561, 15122, 22683, 30244, 45366, 52927, 90732, 105854, 158781, 211708, 234391, 317562, 468782, 635124, 703173, 937564, 1406346, 1640737, 2812692, 3281474, 4922211, 6562948, 9844422, 19688844]

約数ペア:

[(1, 19688844), (2, 9844422), (3, 6562948), (4, 4922211), (6, 3281474), (7, 2812692), (12, 1640737), (14, 1406346), (21, 937564), (28, 703173), (31, 635124), (42, 468782), (62, 317562), (84, 234391), (93, 211708), (124, 158781), (186, 105854), (217, 90732), (372, 52927), (434, 45366), (651, 30244), (868, 22683), (1302, 15122), (2604, 7561)]