19980512976

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5015189}}^1$

素因数の和:5015283

約数の個数: 40

約数和(自身を含む): 52238219040

約数和(自身を除く): 32257706064

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5015189, 10030378, 15045567, 20060756, 30091134, 40121512, 60182268, 80243024, 120364536, 240729072, 416260687, 832521374, 1248782061, 1665042748, 2497564122, 3330085496, 4995128244, 6660170992, 9990256488, 19980512976]

約数ペア:

[(1, 19980512976), (2, 9990256488), (3, 6660170992), (4, 4995128244), (6, 3330085496), (8, 2497564122), (12, 1665042748), (16, 1248782061), (24, 832521374), (48, 416260687), (83, 240729072), (166, 120364536), (249, 80243024), (332, 60182268), (498, 40121512), (664, 30091134), (996, 20060756), (1328, 15045567), (1992, 10030378), (3984, 5015189)]