18106970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5279}}^1$

素因数の和:5307

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 19909030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5279, 10558, 26395, 36953, 52790, 73906, 184765, 258671, 369530, 517342, 1293355, 1810697, 2586710, 3621394, 9053485, 18106970]

約数ペア:

[(1, 18106970), (2, 9053485), (5, 3621394), (7, 2586710), (10, 1810697), (14, 1293355), (35, 517342), (49, 369530), (70, 258671), (98, 184765), (245, 73906), (343, 52790), (490, 36953), (686, 26395), (1715, 10558), (3430, 5279)]