18985228

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 33882912

約数和(自身を除く): 14897684

約数列:

[1, 2, 4, 97, 167, 194, 293, 334, 388, 586, 668, 1172, 16199, 28421, 32398, 48931, 56842, 64796, 97862, 113684, 195724, 4746307, 9492614, 18985228]

約数ペア:

[(1, 18985228), (2, 9492614), (4, 4746307), (97, 195724), (167, 113684), (194, 97862), (293, 64796), (334, 56842), (388, 48931), (586, 32398), (668, 28421), (1172, 16199)]