18031520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8669}}^1$

素因数の和:8697

約数の個数: 48

約数和(自身を含む): 45881640

約数和(自身を除く): 27850120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8669, 17338, 34676, 43345, 69352, 86690, 112697, 138704, 173380, 225394, 277408, 346760, 450788, 563485, 693520, 901576, 1126970, 1387040, 1803152, 2253940, 3606304, 4507880, 9015760, 18031520]

約数ペア:

[(1, 18031520), (2, 9015760), (4, 4507880), (5, 3606304), (8, 2253940), (10, 1803152), (13, 1387040), (16, 1126970), (20, 901576), (26, 693520), (32, 563485), (40, 450788), (52, 346760), (65, 277408), (80, 225394), (104, 173380), (130, 138704), (160, 112697), (208, 86690), (260, 69352), (416, 43345), (520, 34676), (1040, 17338), (2080, 8669)]