18773920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10667}}^1$

素因数の和:10693

約数の個数: 48

約数和(自身を含む): 48390048

約数和(自身を除く): 29616128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10667, 21334, 42668, 53335, 85336, 106670, 117337, 170672, 213340, 234674, 341344, 426680, 469348, 586685, 853360, 938696, 1173370, 1706720, 1877392, 2346740, 3754784, 4693480, 9386960, 18773920]

約数ペア:

[(1, 18773920), (2, 9386960), (4, 4693480), (5, 3754784), (8, 2346740), (10, 1877392), (11, 1706720), (16, 1173370), (20, 938696), (22, 853360), (32, 586685), (40, 469348), (44, 426680), (55, 341344), (80, 234674), (88, 213340), (110, 170672), (160, 117337), (176, 106670), (220, 85336), (352, 53335), (440, 42668), (880, 21334), (1760, 10667)]