17967181940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1\times {\mathrm{30689}}^1$

素因数の和:31172

約数の個数: 48

約数和(自身を含む): 38344577040

約数和(自身を除く): 20377395100

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 401, 730, 802, 1460, 1604, 2005, 4010, 8020, 29273, 30689, 58546, 61378, 117092, 122756, 146365, 153445, 292730, 306890, 585460, 613780, 2240297, 4480594, 8961188, 11201485, 12306289, 22402970, 24612578, 44805940, 49225156, 61531445, 123062890, 246125780, 898359097, 1796718194, 3593436388, 4491795485, 8983590970, 17967181940]

約数ペア:

[(1, 17967181940), (2, 8983590970), (4, 4491795485), (5, 3593436388), (10, 1796718194), (20, 898359097), (73, 246125780), (146, 123062890), (292, 61531445), (365, 49225156), (401, 44805940), (730, 24612578), (802, 22402970), (1460, 12306289), (1604, 11201485), (2005, 8961188), (4010, 4480594), (8020, 2240297), (29273, 613780), (30689, 585460), (58546, 306890), (61378, 292730), (117092, 153445), (122756, 146365)]