19879508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12211}}^1$

素因数の和:12263

約数の個数: 24

約数和(自身を含む): 38980704

約数和(自身を除く): 19101196

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12211, 24422, 48844, 134321, 268642, 451807, 537284, 903614, 1807228, 4969877, 9939754, 19879508]

約数ペア:

[(1, 19879508), (2, 9939754), (4, 4969877), (11, 1807228), (22, 903614), (37, 537284), (44, 451807), (74, 268642), (148, 134321), (407, 48844), (814, 24422), (1628, 12211)]