19418960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22067}}^1$

素因数の和:22091

約数の個数: 40

約数和(自身を含む): 49255776

約数和(自身を除く): 29836816

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22067, 44134, 88268, 110335, 176536, 220670, 242737, 353072, 441340, 485474, 882680, 970948, 1213685, 1765360, 1941896, 2427370, 3883792, 4854740, 9709480, 19418960]

約数ペア:

[(1, 19418960), (2, 9709480), (4, 4854740), (5, 3883792), (8, 2427370), (10, 1941896), (11, 1765360), (16, 1213685), (20, 970948), (22, 882680), (40, 485474), (44, 441340), (55, 353072), (80, 242737), (88, 220670), (110, 176536), (176, 110335), (220, 88268), (440, 44134), (880, 22067)]