18396730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 19964870

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 73, 79, 110, 145, 146, 158, 290, 319, 365, 395, 638, 730, 790, 803, 869, 1595, 1606, 1738, 2117, 2291, 3190, 4015, 4234, 4345, 4582, 5767, 8030, 8690, 10585, 11455, 11534, 21170, 22910, 23287, 25201, 28835, 46574, 50402, 57670, 63437, 116435, 126005, 126874, 167243, 232870, 252010, 317185, 334486, 634370, 836215, 1672430, 1839673, 3679346, 9198365, 18396730]

約数ペア:

[(1, 18396730), (2, 9198365), (5, 3679346), (10, 1839673), (11, 1672430), (22, 836215), (29, 634370), (55, 334486), (58, 317185), (73, 252010), (79, 232870), (110, 167243), (145, 126874), (146, 126005), (158, 116435), (290, 63437), (319, 57670), (365, 50402), (395, 46574), (638, 28835), (730, 25201), (790, 23287), (803, 22910), (869, 21170), (1595, 11534), (1606, 11455), (1738, 10585), (2117, 8690), (2291, 8030), (3190, 5767), (4015, 4582), (4234, 4345)]