18846320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6367}}^1$

素因数の和:6417

約数の個数: 40

約数和(自身を含む): 45009024

約数和(自身を除く): 26162704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6367, 12734, 25468, 31835, 50936, 63670, 101872, 127340, 235579, 254680, 471158, 509360, 942316, 1177895, 1884632, 2355790, 3769264, 4711580, 9423160, 18846320]

約数ペア:

[(1, 18846320), (2, 9423160), (4, 4711580), (5, 3769264), (8, 2355790), (10, 1884632), (16, 1177895), (20, 942316), (37, 509360), (40, 471158), (74, 254680), (80, 235579), (148, 127340), (185, 101872), (296, 63670), (370, 50936), (592, 31835), (740, 25468), (1480, 12734), (2960, 6367)]