19006975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 25592112

約数和(自身を除く): 6585137

約数列:

[1, 5, 13, 25, 65, 233, 251, 325, 1165, 1255, 3029, 3263, 5825, 6275, 15145, 16315, 58483, 75725, 81575, 292415, 760279, 1462075, 3801395, 19006975]

約数ペア:

[(1, 19006975), (5, 3801395), (13, 1462075), (25, 760279), (65, 292415), (233, 81575), (251, 75725), (325, 58483), (1165, 16315), (1255, 15145), (3029, 6275), (3263, 5825)]