17990490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{85669}}^1$

素因数の和:85686

約数の個数: 32

約数和(自身を含む): 49345920

約数和(自身を除く): 31355430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 85669, 171338, 257007, 428345, 514014, 599683, 856690, 1199366, 1285035, 1799049, 2570070, 2998415, 3598098, 5996830, 8995245, 17990490]

約数ペア:

[(1, 17990490), (2, 8995245), (3, 5996830), (5, 3598098), (6, 2998415), (7, 2570070), (10, 1799049), (14, 1285035), (15, 1199366), (21, 856690), (30, 599683), (35, 514014), (42, 428345), (70, 257007), (105, 171338), (210, 85669)]