20173516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 41328000

約数和(自身を除く): 21154484

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 59, 76, 118, 209, 236, 409, 418, 649, 818, 836, 1121, 1298, 1636, 2242, 2596, 4484, 4499, 7771, 8998, 12331, 15542, 17996, 24131, 24662, 31084, 48262, 49324, 85481, 96524, 170962, 265441, 341924, 458489, 530882, 916978, 1061764, 1833956, 5043379, 10086758, 20173516]

約数ペア:

[(1, 20173516), (2, 10086758), (4, 5043379), (11, 1833956), (19, 1061764), (22, 916978), (38, 530882), (44, 458489), (59, 341924), (76, 265441), (118, 170962), (209, 96524), (236, 85481), (409, 49324), (418, 48262), (649, 31084), (818, 24662), (836, 24131), (1121, 17996), (1298, 15542), (1636, 12331), (2242, 8998), (2596, 7771), (4484, 4499)]