19446520509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{22343}}^1$

素因数の和:22578

約数の個数: 48

約数和(自身を含む): 31133950848

約数和(自身を除く): 11687430339

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 173, 387, 519, 559, 1557, 1677, 2249, 5031, 6747, 7439, 20241, 22317, 22343, 66951, 67029, 96707, 201087, 290121, 290459, 870363, 871377, 960749, 2614131, 2882247, 3865339, 8646741, 11596017, 12489737, 34788051, 37469211, 50249407, 112407633, 150748221, 166209577, 452244663, 498628731, 1495886193, 2160724501, 6482173503, 19446520509]

約数ペア:

[(1, 19446520509), (3, 6482173503), (9, 2160724501), (13, 1495886193), (39, 498628731), (43, 452244663), (117, 166209577), (129, 150748221), (173, 112407633), (387, 50249407), (519, 37469211), (559, 34788051), (1557, 12489737), (1677, 11596017), (2249, 8646741), (5031, 3865339), (6747, 2882247), (7439, 2614131), (20241, 960749), (22317, 871377), (22343, 870363), (66951, 290459), (67029, 290121), (96707, 201087)]