17972773

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 22226176

約数和(自身を除く): 4253403

約数列:

[1, 7, 13, 91, 313, 631, 2191, 4069, 4417, 8203, 28483, 57421, 197503, 1382521, 2567539, 17972773]

約数ペア:

[(1, 17972773), (7, 2567539), (13, 1382521), (91, 197503), (313, 57421), (631, 28483), (2191, 8203), (4069, 4417)]