18461240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9419}}^1$

素因数の和:9444

約数の個数: 48

約数和(自身を含む): 48324600

約数和(自身を除く): 29863360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9419, 18838, 37676, 47095, 65933, 75352, 94190, 131866, 188380, 263732, 329665, 376760, 461531, 527464, 659330, 923062, 1318660, 1846124, 2307655, 2637320, 3692248, 4615310, 9230620, 18461240]

約数ペア:

[(1, 18461240), (2, 9230620), (4, 4615310), (5, 3692248), (7, 2637320), (8, 2307655), (10, 1846124), (14, 1318660), (20, 923062), (28, 659330), (35, 527464), (40, 461531), (49, 376760), (56, 329665), (70, 263732), (98, 188380), (140, 131866), (196, 94190), (245, 75352), (280, 65933), (392, 47095), (490, 37676), (980, 18838), (1960, 9419)]