18934930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1450

約数の個数: 32

約数和(自身を含む): 39158784

約数和(自身を除く): 20223854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 223, 446, 1115, 1213, 1561, 2230, 2426, 3122, 6065, 7805, 8491, 12130, 15610, 16982, 42455, 84910, 270499, 540998, 1352495, 1893493, 2704990, 3786986, 9467465, 18934930]

約数ペア:

[(1, 18934930), (2, 9467465), (5, 3786986), (7, 2704990), (10, 1893493), (14, 1352495), (35, 540998), (70, 270499), (223, 84910), (446, 42455), (1115, 16982), (1213, 15610), (1561, 12130), (2230, 8491), (2426, 7805), (3122, 6065)]