19513572

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 50191680

約数和(自身を除く): 30678108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 2909, 3354, 5818, 6708, 8727, 11636, 17454, 34908, 37817, 75634, 113451, 125087, 151268, 226902, 250174, 375261, 453804, 500348, 750522, 1501044, 1626131, 3252262, 4878393, 6504524, 9756786, 19513572]

約数ペア:

[(1, 19513572), (2, 9756786), (3, 6504524), (4, 4878393), (6, 3252262), (12, 1626131), (13, 1501044), (26, 750522), (39, 500348), (43, 453804), (52, 375261), (78, 250174), (86, 226902), (129, 151268), (156, 125087), (172, 113451), (258, 75634), (516, 37817), (559, 34908), (1118, 17454), (1677, 11636), (2236, 8727), (2909, 6708), (3354, 5818)]