19301716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 40993792

約数和(自身を除く): 21692076

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 601, 868, 1036, 1147, 1202, 2294, 2404, 4207, 4588, 8029, 8414, 16058, 16828, 18631, 22237, 32116, 37262, 44474, 74524, 88948, 130417, 155659, 260834, 311318, 521668, 622636, 689347, 1378694, 2757388, 4825429, 9650858, 19301716]

約数ペア:

[(1, 19301716), (2, 9650858), (4, 4825429), (7, 2757388), (14, 1378694), (28, 689347), (31, 622636), (37, 521668), (62, 311318), (74, 260834), (124, 155659), (148, 130417), (217, 88948), (259, 74524), (434, 44474), (518, 37262), (601, 32116), (868, 22237), (1036, 18631), (1147, 16828), (1202, 16058), (2294, 8414), (2404, 8029), (4207, 4588)]