18511028

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 36

約数和(自身を含む): 35071680

約数和(自身を除く): 16560652

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 239, 268, 289, 478, 578, 956, 1139, 1156, 2278, 4063, 4556, 8126, 16013, 16252, 19363, 32026, 38726, 64052, 69071, 77452, 138142, 272221, 276284, 544442, 1088884, 4627757, 9255514, 18511028]

約数ペア:

[(1, 18511028), (2, 9255514), (4, 4627757), (17, 1088884), (34, 544442), (67, 276284), (68, 272221), (134, 138142), (239, 77452), (268, 69071), (289, 64052), (478, 38726), (578, 32026), (956, 19363), (1139, 16252), (1156, 16013), (2278, 8126), (4063, 4556)]