19405908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{857}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 53405352

約数和(自身を除く): 33999444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 857, 1258, 1332, 1714, 1887, 2516, 2571, 3428, 3774, 5142, 5661, 7548, 7713, 10284, 11322, 14569, 15426, 22644, 29138, 30852, 31709, 43707, 58276, 63418, 87414, 95127, 126836, 131121, 174828, 190254, 262242, 285381, 380508, 524484, 539053, 570762, 1078106, 1141524, 1617159, 2156212, 3234318, 4851477, 6468636, 9702954, 19405908]

約数ペア:

[(1, 19405908), (2, 9702954), (3, 6468636), (4, 4851477), (6, 3234318), (9, 2156212), (12, 1617159), (17, 1141524), (18, 1078106), (34, 570762), (36, 539053), (37, 524484), (51, 380508), (68, 285381), (74, 262242), (102, 190254), (111, 174828), (148, 131121), (153, 126836), (204, 95127), (222, 87414), (306, 63418), (333, 58276), (444, 43707), (612, 31709), (629, 30852), (666, 29138), (857, 22644), (1258, 15426), (1332, 14569), (1714, 11322), (1887, 10284), (2516, 7713), (2571, 7548), (3428, 5661), (3774, 5142)]