13721420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{36109}}^1$

素因数の和:36137

約数の個数: 24

約数和(自身を含む): 30332400

約数和(自身を除く): 16610980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 36109, 72218, 144436, 180545, 361090, 686071, 722180, 1372142, 2744284, 3430355, 6860710, 13721420]

約数ペア:

[(1, 13721420), (2, 6860710), (4, 3430355), (5, 2744284), (10, 1372142), (19, 722180), (20, 686071), (38, 361090), (76, 180545), (95, 144436), (190, 72218), (380, 36109)]