19908690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2467}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 47977920

約数和(自身を除く): 28069230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2467, 2690, 4035, 4934, 7401, 8070, 12335, 14802, 24670, 37005, 74010, 663623, 1327246, 1990869, 3318115, 3981738, 6636230, 9954345, 19908690]

約数ペア:

[(1, 19908690), (2, 9954345), (3, 6636230), (5, 3981738), (6, 3318115), (10, 1990869), (15, 1327246), (30, 663623), (269, 74010), (538, 37005), (807, 24670), (1345, 14802), (1614, 12335), (2467, 8070), (2690, 7401), (4035, 4934)]