18157863388

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{154883}}^1$

素因数の和:155026

約数の個数: 48

約数和(自身を含む): 37469537280

約数和(自身を除く): 19311673892

約数列:

[1, 2, 4, 7, 14, 28, 53, 79, 106, 158, 212, 316, 371, 553, 742, 1106, 1484, 2212, 4187, 8374, 16748, 29309, 58618, 117236, 154883, 309766, 619532, 1084181, 2168362, 4336724, 8208799, 12235757, 16417598, 24471514, 32835196, 48943028, 57461593, 85650299, 114923186, 171300598, 229846372, 342601196, 648495121, 1296990242, 2593980484, 4539465847, 9078931694, 18157863388]

約数ペア:

[(1, 18157863388), (2, 9078931694), (4, 4539465847), (7, 2593980484), (14, 1296990242), (28, 648495121), (53, 342601196), (79, 229846372), (106, 171300598), (158, 114923186), (212, 85650299), (316, 57461593), (371, 48943028), (553, 32835196), (742, 24471514), (1106, 16417598), (1484, 12235757), (2212, 8208799), (4187, 4336724), (8374, 2168362), (16748, 1084181), (29309, 619532), (58618, 309766), (117236, 154883)]