16911520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5563}}^1$

素因数の和:5597

約数の個数: 48

約数和(自身を含む): 42063840

約数和(自身を除く): 25152320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 5563, 11126, 22252, 27815, 44504, 55630, 89008, 105697, 111260, 178016, 211394, 222520, 422788, 445040, 528485, 845576, 890080, 1056970, 1691152, 2113940, 3382304, 4227880, 8455760, 16911520]

約数ペア:

[(1, 16911520), (2, 8455760), (4, 4227880), (5, 3382304), (8, 2113940), (10, 1691152), (16, 1056970), (19, 890080), (20, 845576), (32, 528485), (38, 445040), (40, 422788), (76, 222520), (80, 211394), (95, 178016), (152, 111260), (160, 105697), (190, 89008), (304, 55630), (380, 44504), (608, 27815), (760, 22252), (1520, 11126), (3040, 5563)]