19090812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2309}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 48898080

約数和(自身を除く): 29807268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2309, 2756, 4134, 4618, 6927, 8268, 9236, 13854, 27708, 30017, 60034, 90051, 120068, 122377, 180102, 244754, 360204, 367131, 489508, 734262, 1468524, 1590901, 3181802, 4772703, 6363604, 9545406, 19090812]

約数ペア:

[(1, 19090812), (2, 9545406), (3, 6363604), (4, 4772703), (6, 3181802), (12, 1590901), (13, 1468524), (26, 734262), (39, 489508), (52, 367131), (53, 360204), (78, 244754), (106, 180102), (156, 122377), (159, 120068), (212, 90051), (318, 60034), (636, 30017), (689, 27708), (1378, 13854), (2067, 9236), (2309, 8268), (2756, 6927), (4134, 4618)]