19409372

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 34700400

約数和(自身を除く): 15291028

約数列:

[1, 2, 4, 101, 107, 202, 214, 404, 428, 449, 898, 1796, 10807, 21614, 43228, 45349, 48043, 90698, 96086, 181396, 192172, 4852343, 9704686, 19409372]

約数ペア:

[(1, 19409372), (2, 9704686), (4, 4852343), (101, 192172), (107, 181396), (202, 96086), (214, 90698), (404, 48043), (428, 45349), (449, 43228), (898, 21614), (1796, 10807)]