18495578881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1\times {\mathrm{757}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 20501365248

約数和(自身を除く): 2005786367

約数列:

[1, 13, 71, 103, 257, 757, 923, 1339, 3341, 7313, 9841, 18247, 26471, 53747, 77971, 95069, 194549, 237211, 344123, 698711, 1013623, 1879441, 2529137, 5535941, 13812979, 20038547, 24432733, 71967233, 179568727, 260501111, 1422736837, 18495578881]

約数ペア:

[(1, 18495578881), (13, 1422736837), (71, 260501111), (103, 179568727), (257, 71967233), (757, 24432733), (923, 20038547), (1339, 13812979), (3341, 5535941), (7313, 2529137), (9841, 1879441), (18247, 1013623), (26471, 698711), (53747, 344123), (77971, 237211), (95069, 194549)]