19286890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5623}}^1$

素因数の和:5651

約数の個数: 32

約数和(自身を含む): 40492800

約数和(自身を除く): 21205910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5623, 11246, 28115, 39361, 56230, 78722, 196805, 275527, 393610, 551054, 1377635, 1928689, 2755270, 3857378, 9643445, 19286890]

約数ペア:

[(1, 19286890), (2, 9643445), (5, 3857378), (7, 2755270), (10, 1928689), (14, 1377635), (35, 551054), (49, 393610), (70, 275527), (98, 196805), (245, 78722), (343, 56230), (490, 39361), (686, 28115), (1715, 11246), (3430, 5623)]