19801968

素因数分解:

$2^4\times 3^1\times {\mathrm{97}}^1\times {\mathrm{4253}}^1$

素因数の和:4361

約数の個数: 40

約数和(自身を含む): 51694608

約数和(自身を除く): 31892640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 97, 194, 291, 388, 582, 776, 1164, 1552, 2328, 4253, 4656, 8506, 12759, 17012, 25518, 34024, 51036, 68048, 102072, 204144, 412541, 825082, 1237623, 1650164, 2475246, 3300328, 4950492, 6600656, 9900984, 19801968]

約数ペア:

[(1, 19801968), (2, 9900984), (3, 6600656), (4, 4950492), (6, 3300328), (8, 2475246), (12, 1650164), (16, 1237623), (24, 825082), (48, 412541), (97, 204144), (194, 102072), (291, 68048), (388, 51036), (582, 34024), (776, 25518), (1164, 17012), (1552, 12759), (2328, 8506), (4253, 4656)]