19973950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4813}}^1$

素因数の和:4908

約数の個数: 24

約数和(自身を含む): 37606968

約数和(自身を除く): 17633018

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 4813, 9626, 24065, 48130, 120325, 240650, 399479, 798958, 1997395, 3994790, 9986975, 19973950]

約数ペア:

[(1, 19973950), (2, 9986975), (5, 3994790), (10, 1997395), (25, 798958), (50, 399479), (83, 240650), (166, 120325), (415, 48130), (830, 24065), (2075, 9626), (4150, 4813)]