19119940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3388

約数の個数: 48

約数和(自身を含む): 47021184

約数和(自身を除く): 27901244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3331, 5740, 6662, 13324, 16655, 23317, 33310, 46634, 66620, 93268, 116585, 136571, 233170, 273142, 466340, 546284, 682855, 955997, 1365710, 1911994, 2731420, 3823988, 4779985, 9559970, 19119940]

約数ペア:

[(1, 19119940), (2, 9559970), (4, 4779985), (5, 3823988), (7, 2731420), (10, 1911994), (14, 1365710), (20, 955997), (28, 682855), (35, 546284), (41, 466340), (70, 273142), (82, 233170), (140, 136571), (164, 116585), (205, 93268), (287, 66620), (410, 46634), (574, 33310), (820, 23317), (1148, 16655), (1435, 13324), (2870, 6662), (3331, 5740)]