18485220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1823}}^1$

素因数の和:1861

約数の個数: 72

約数和(自身を含む): 56077056

約数和(自身を除く): 37591836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1823, 2028, 2535, 3380, 3646, 5070, 5469, 7292, 9115, 10140, 10938, 18230, 21876, 23699, 27345, 36460, 47398, 54690, 71097, 94796, 109380, 118495, 142194, 236990, 284388, 308087, 355485, 473980, 616174, 710970, 924261, 1232348, 1421940, 1540435, 1848522, 3080870, 3697044, 4621305, 6161740, 9242610, 18485220]

約数ペア:

[(1, 18485220), (2, 9242610), (3, 6161740), (4, 4621305), (5, 3697044), (6, 3080870), (10, 1848522), (12, 1540435), (13, 1421940), (15, 1232348), (20, 924261), (26, 710970), (30, 616174), (39, 473980), (52, 355485), (60, 308087), (65, 284388), (78, 236990), (130, 142194), (156, 118495), (169, 109380), (195, 94796), (260, 71097), (338, 54690), (390, 47398), (507, 36460), (676, 27345), (780, 23699), (845, 21876), (1014, 18230), (1690, 10938), (1823, 10140), (2028, 9115), (2535, 7292), (3380, 5469), (3646, 5070)]