1819820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4817

約数の個数: 24

約数和(自身を含む): 4023600

約数和(自身を除く): 2203780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4789, 9578, 19156, 23945, 47890, 90991, 95780, 181982, 363964, 454955, 909910, 1819820]

約数ペア:

[(1, 1819820), (2, 909910), (4, 454955), (5, 363964), (10, 181982), (19, 95780), (20, 90991), (38, 47890), (76, 23945), (95, 19156), (190, 9578), (380, 4789)]