18726605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 25194240

約数和(自身を除く): 6467635

約数列:

[1, 5, 17, 29, 71, 85, 107, 145, 355, 493, 535, 1207, 1819, 2059, 2465, 3103, 6035, 7597, 9095, 10295, 15515, 35003, 37985, 52751, 129149, 175015, 220313, 263755, 645745, 1101565, 3745321, 18726605]

約数ペア:

[(1, 18726605), (5, 3745321), (17, 1101565), (29, 645745), (71, 263755), (85, 220313), (107, 175015), (145, 129149), (355, 52751), (493, 37985), (535, 35003), (1207, 15515), (1819, 10295), (2059, 9095), (2465, 7597), (3103, 6035)]