19481218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 12742526

約数列:

[1, 2, 17, 34, 47, 73, 94, 146, 167, 334, 799, 1241, 1598, 2482, 2839, 3431, 5678, 6862, 7849, 12191, 15698, 24382, 58327, 116654, 133433, 207247, 266866, 414494, 572977, 1145954, 9740609, 19481218]

約数ペア:

[(1, 19481218), (2, 9740609), (17, 1145954), (34, 572977), (47, 414494), (73, 266866), (94, 207247), (146, 133433), (167, 116654), (334, 58327), (799, 24382), (1241, 15698), (1598, 12191), (2482, 7849), (2839, 6862), (3431, 5678)]