19925636

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 36738240

約数和(自身を除く): 16812604

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 436, 1987, 2507, 3974, 5014, 7948, 10028, 45701, 91402, 182804, 216583, 433166, 866332, 4981409, 9962818, 19925636]

約数ペア:

[(1, 19925636), (2, 9962818), (4, 4981409), (23, 866332), (46, 433166), (92, 216583), (109, 182804), (218, 91402), (436, 45701), (1987, 10028), (2507, 7948), (3974, 5014)]