1815855804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{69959}}^1$

素因数の和:70079

約数の個数: 72

約数和(自身を含む): 5296811520

約数和(自身を除く): 3480955716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1236, 1442, 1854, 2163, 2884, 3708, 4326, 6489, 8652, 12978, 25956, 69959, 139918, 209877, 279836, 419754, 489713, 629631, 839508, 979426, 1259262, 1469139, 1958852, 2518524, 2938278, 4407417, 5876556, 7205777, 8814834, 14411554, 17629668, 21617331, 28823108, 43234662, 50440439, 64851993, 86469324, 100880878, 129703986, 151321317, 201761756, 259407972, 302642634, 453963951, 605285268, 907927902, 1815855804]

約数ペア:

[(1, 1815855804), (2, 907927902), (3, 605285268), (4, 453963951), (6, 302642634), (7, 259407972), (9, 201761756), (12, 151321317), (14, 129703986), (18, 100880878), (21, 86469324), (28, 64851993), (36, 50440439), (42, 43234662), (63, 28823108), (84, 21617331), (103, 17629668), (126, 14411554), (206, 8814834), (252, 7205777), (309, 5876556), (412, 4407417), (618, 2938278), (721, 2518524), (927, 1958852), (1236, 1469139), (1442, 1259262), (1854, 979426), (2163, 839508), (2884, 629631), (3708, 489713), (4326, 419754), (6489, 279836), (8652, 209877), (12978, 139918), (25956, 69959)]