19206996

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 27268524

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 181, 222, 239, 362, 444, 478, 543, 717, 724, 956, 1086, 1434, 2172, 2868, 6697, 8843, 13394, 17686, 20091, 26529, 26788, 35372, 40182, 43259, 53058, 80364, 86518, 106116, 129777, 173036, 259554, 519108, 1600583, 3201166, 4801749, 6402332, 9603498, 19206996]

約数ペア:

[(1, 19206996), (2, 9603498), (3, 6402332), (4, 4801749), (6, 3201166), (12, 1600583), (37, 519108), (74, 259554), (111, 173036), (148, 129777), (181, 106116), (222, 86518), (239, 80364), (362, 53058), (444, 43259), (478, 40182), (543, 35372), (717, 26788), (724, 26529), (956, 20091), (1086, 17686), (1434, 13394), (2172, 8843), (2868, 6697)]