18648515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5231}}^1$

素因数の和:5290

約数の個数: 16

約数和(自身を含む): 24109056

約数和(自身を除く): 5460541

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 5231, 26155, 120313, 162161, 601565, 810805, 3729703, 18648515]

約数ペア:

[(1, 18648515), (5, 3729703), (23, 810805), (31, 601565), (115, 162161), (155, 120313), (713, 26155), (3565, 5231)]