19082050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1003

約数の個数: 48

約数和(自身を含む): 39497472

約数和(自身を除く): 20415422

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 947, 1550, 1894, 2015, 4030, 4735, 9470, 10075, 12311, 20150, 23675, 24622, 29357, 47350, 58714, 61555, 123110, 146785, 293570, 307775, 381641, 615550, 733925, 763282, 1467850, 1908205, 3816410, 9541025, 19082050]

約数ペア:

[(1, 19082050), (2, 9541025), (5, 3816410), (10, 1908205), (13, 1467850), (25, 763282), (26, 733925), (31, 615550), (50, 381641), (62, 307775), (65, 293570), (130, 146785), (155, 123110), (310, 61555), (325, 58714), (403, 47350), (650, 29357), (775, 24622), (806, 23675), (947, 20150), (1550, 12311), (1894, 10075), (2015, 9470), (4030, 4735)]