19363480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11807}}^1$

素因数の和:11859

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 25270760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 11807, 23614, 47228, 59035, 94456, 118070, 236140, 472280, 484087, 968174, 1936348, 2420435, 3872696, 4840870, 9681740, 19363480]

約数ペア:

[(1, 19363480), (2, 9681740), (4, 4840870), (5, 3872696), (8, 2420435), (10, 1936348), (20, 968174), (40, 484087), (41, 472280), (82, 236140), (164, 118070), (205, 94456), (328, 59035), (410, 47228), (820, 23614), (1640, 11807)]