2018220724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1\times {\mathrm{827}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 3867647616

約数和(自身を除く): 1849426892

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 661, 827, 923, 1322, 1654, 1846, 2644, 3308, 3692, 8593, 10751, 17186, 21502, 34372, 43004, 46931, 58717, 93862, 117434, 187724, 234868, 546647, 610103, 763321, 1093294, 1220206, 1526642, 2186588, 2440412, 3053284, 7106411, 14212822, 28425644, 38811937, 77623874, 155247748, 504555181, 1009110362, 2018220724]

約数ペア:

[(1, 2018220724), (2, 1009110362), (4, 504555181), (13, 155247748), (26, 77623874), (52, 38811937), (71, 28425644), (142, 14212822), (284, 7106411), (661, 3053284), (827, 2440412), (923, 2186588), (1322, 1526642), (1654, 1220206), (1846, 1093294), (2644, 763321), (3308, 610103), (3692, 546647), (8593, 234868), (10751, 187724), (17186, 117434), (21502, 93862), (34372, 58717), (43004, 46931)]