17970890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 37238400

約数和(自身を除く): 19267510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 1723, 2086, 3446, 5215, 8615, 10430, 12061, 17230, 24122, 60305, 120610, 256727, 513454, 1283635, 1797089, 2567270, 3594178, 8985445, 17970890]

約数ペア:

[(1, 17970890), (2, 8985445), (5, 3594178), (7, 2567270), (10, 1797089), (14, 1283635), (35, 513454), (70, 256727), (149, 120610), (298, 60305), (745, 24122), (1043, 17230), (1490, 12061), (1723, 10430), (2086, 8615), (3446, 5215)]