9152197780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2189521}}^1$

素因数の和:2189560

約数の個数: 48

約数和(自身を含む): 22070381760

約数和(自身を除く): 12918183980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 2189521, 4379042, 8758084, 10947605, 21895210, 24084731, 41600899, 43790420, 48169462, 83201798, 96338924, 120423655, 166403596, 208004495, 240847310, 416008990, 457609889, 481694620, 832017980, 915219778, 1830439556, 2288049445, 4576098890, 9152197780]

約数ペア:

[(1, 9152197780), (2, 4576098890), (4, 2288049445), (5, 1830439556), (10, 915219778), (11, 832017980), (19, 481694620), (20, 457609889), (22, 416008990), (38, 240847310), (44, 208004495), (55, 166403596), (76, 120423655), (95, 96338924), (110, 83201798), (190, 48169462), (209, 43790420), (220, 41600899), (380, 24084731), (418, 21895210), (836, 10947605), (1045, 8758084), (2090, 4379042), (4180, 2189521)]