18147760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6131}}^1$

素因数の和:6181

約数の個数: 40

約数和(自身を含む): 43340976

約数和(自身を除く): 25193216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6131, 12262, 24524, 30655, 49048, 61310, 98096, 122620, 226847, 245240, 453694, 490480, 907388, 1134235, 1814776, 2268470, 3629552, 4536940, 9073880, 18147760]

約数ペア:

[(1, 18147760), (2, 9073880), (4, 4536940), (5, 3629552), (8, 2268470), (10, 1814776), (16, 1134235), (20, 907388), (37, 490480), (40, 453694), (74, 245240), (80, 226847), (148, 122620), (185, 98096), (296, 61310), (370, 49048), (592, 30655), (740, 24524), (1480, 12262), (2960, 6131)]