18193805

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 26417664

約数和(自身を除く): 8223859

約数列:

[1, 5, 7, 23, 35, 97, 115, 161, 233, 485, 679, 805, 1165, 1631, 2231, 3395, 5359, 8155, 11155, 15617, 22601, 26795, 37513, 78085, 113005, 158207, 187565, 519823, 791035, 2599115, 3638761, 18193805]

約数ペア:

[(1, 18193805), (5, 3638761), (7, 2599115), (23, 791035), (35, 519823), (97, 187565), (115, 158207), (161, 113005), (233, 78085), (485, 37513), (679, 26795), (805, 22601), (1165, 15617), (1631, 11155), (2231, 8155), (3395, 5359)]