618389618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{19213}}^1$

素因数の和:19263

約数の個数: 48

約数和(自身を含む): 1226621760

約数和(自身を除く): 608232142

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 847, 1463, 1694, 2299, 2926, 4598, 16093, 19213, 32186, 38426, 134491, 211343, 268982, 365047, 422686, 730094, 1479401, 2324773, 2555329, 2958802, 4015517, 4649546, 5110658, 8031034, 16273411, 28108619, 32546822, 44170687, 56217238, 88341374, 309194809, 618389618]

約数ペア:

[(1, 618389618), (2, 309194809), (7, 88341374), (11, 56217238), (14, 44170687), (19, 32546822), (22, 28108619), (38, 16273411), (77, 8031034), (121, 5110658), (133, 4649546), (154, 4015517), (209, 2958802), (242, 2555329), (266, 2324773), (418, 1479401), (847, 730094), (1463, 422686), (1694, 365047), (2299, 268982), (2926, 211343), (4598, 134491), (16093, 38426), (19213, 32186)]