18300978

素因数分解:

$2^1\times 3^4\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:840

約数の個数: 40

約数和(自身を含む): 41307948

約数和(自身を除く): 23006970

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 173, 346, 519, 653, 1038, 1306, 1557, 1959, 3114, 3918, 4671, 5877, 9342, 11754, 14013, 17631, 28026, 35262, 52893, 105786, 112969, 225938, 338907, 677814, 1016721, 2033442, 3050163, 6100326, 9150489, 18300978]

約数ペア:

[(1, 18300978), (2, 9150489), (3, 6100326), (6, 3050163), (9, 2033442), (18, 1016721), (27, 677814), (54, 338907), (81, 225938), (162, 112969), (173, 105786), (346, 52893), (519, 35262), (653, 28026), (1038, 17631), (1306, 14013), (1557, 11754), (1959, 9342), (3114, 5877), (3918, 4671)]