18401976

素因数分解:

$2^3\times 3^2\times {\mathrm{431}}^1\times {\mathrm{593}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 31636584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 431, 593, 862, 1186, 1293, 1724, 1779, 2372, 2586, 3448, 3558, 3879, 4744, 5172, 5337, 7116, 7758, 10344, 10674, 14232, 15516, 21348, 31032, 42696, 255583, 511166, 766749, 1022332, 1533498, 2044664, 2300247, 3066996, 4600494, 6133992, 9200988, 18401976]

約数ペア:

[(1, 18401976), (2, 9200988), (3, 6133992), (4, 4600494), (6, 3066996), (8, 2300247), (9, 2044664), (12, 1533498), (18, 1022332), (24, 766749), (36, 511166), (72, 255583), (431, 42696), (593, 31032), (862, 21348), (1186, 15516), (1293, 14232), (1724, 10674), (1779, 10344), (2372, 7758), (2586, 7116), (3448, 5337), (3558, 5172), (3879, 4744)]