19902030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12517}}^1$

素因数の和:12580

約数の個数: 32

約数和(自身を含む): 48669984

約数和(自身を除く): 28767954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 12517, 25034, 37551, 62585, 75102, 125170, 187755, 375510, 663401, 1326802, 1990203, 3317005, 3980406, 6634010, 9951015, 19902030]

約数ペア:

[(1, 19902030), (2, 9951015), (3, 6634010), (5, 3980406), (6, 3317005), (10, 1990203), (15, 1326802), (30, 663401), (53, 375510), (106, 187755), (159, 125170), (265, 75102), (318, 62585), (530, 37551), (795, 25034), (1590, 12517)]