18127188

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 48688640

約数和(自身を除く): 30561452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 37, 62, 74, 93, 111, 124, 148, 186, 222, 279, 333, 372, 439, 444, 558, 666, 878, 1116, 1147, 1317, 1332, 1756, 2294, 2634, 3441, 3951, 4588, 5268, 6882, 7902, 10323, 13609, 13764, 15804, 16243, 20646, 27218, 32486, 40827, 41292, 48729, 54436, 64972, 81654, 97458, 122481, 146187, 163308, 194916, 244962, 292374, 489924, 503533, 584748, 1007066, 1510599, 2014132, 3021198, 4531797, 6042396, 9063594, 18127188]

約数ペア:

[(1, 18127188), (2, 9063594), (3, 6042396), (4, 4531797), (6, 3021198), (9, 2014132), (12, 1510599), (18, 1007066), (31, 584748), (36, 503533), (37, 489924), (62, 292374), (74, 244962), (93, 194916), (111, 163308), (124, 146187), (148, 122481), (186, 97458), (222, 81654), (279, 64972), (333, 54436), (372, 48729), (439, 41292), (444, 40827), (558, 32486), (666, 27218), (878, 20646), (1116, 16243), (1147, 15804), (1317, 13764), (1332, 13609), (1756, 10323), (2294, 7902), (2634, 6882), (3441, 5268), (3951, 4588)]