18697360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21247}}^1$

素因数の和:21271

約数の個数: 40

約数和(自身を含む): 47425536

約数和(自身を除く): 28728176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21247, 42494, 84988, 106235, 169976, 212470, 233717, 339952, 424940, 467434, 849880, 934868, 1168585, 1699760, 1869736, 2337170, 3739472, 4674340, 9348680, 18697360]

約数ペア:

[(1, 18697360), (2, 9348680), (4, 4674340), (5, 3739472), (8, 2337170), (10, 1869736), (11, 1699760), (16, 1168585), (20, 934868), (22, 849880), (40, 467434), (44, 424940), (55, 339952), (80, 233717), (88, 212470), (110, 169976), (176, 106235), (220, 84988), (440, 42494), (880, 21247)]