31491664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103591}}^1$

素因数の和:103618

約数の個数: 20

約数和(自身を含む): 64227040

約数和(自身を除く): 32735376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 103591, 207182, 414364, 828728, 1657456, 1968229, 3936458, 7872916, 15745832, 31491664]

約数ペア:

[(1, 31491664), (2, 15745832), (4, 7872916), (8, 3936458), (16, 1968229), (19, 1657456), (38, 828728), (76, 414364), (152, 207182), (304, 103591)]