19458702920

素因数分解:

$2^3\times 5^1\times {\mathrm{486467573}}^1$

素因数の和:486467584

約数の個数: 16

約数和(自身を含む): 43782081660

約数和(自身を除く): 24323378740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 486467573, 972935146, 1945870292, 2432337865, 3891740584, 4864675730, 9729351460, 19458702920]

約数ペア:

[(1, 19458702920), (2, 9729351460), (4, 4864675730), (5, 3891740584), (8, 2432337865), (10, 1945870292), (20, 972935146), (40, 486467573)]