18419886

素因数分解:

$2^1\times 3^5\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 23408082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 151, 162, 243, 251, 302, 453, 486, 502, 753, 906, 1359, 1506, 2259, 2718, 4077, 4518, 6777, 8154, 12231, 13554, 20331, 24462, 36693, 37901, 40662, 60993, 73386, 75802, 113703, 121986, 227406, 341109, 682218, 1023327, 2046654, 3069981, 6139962, 9209943, 18419886]

約数ペア:

[(1, 18419886), (2, 9209943), (3, 6139962), (6, 3069981), (9, 2046654), (18, 1023327), (27, 682218), (54, 341109), (81, 227406), (151, 121986), (162, 113703), (243, 75802), (251, 73386), (302, 60993), (453, 40662), (486, 37901), (502, 36693), (753, 24462), (906, 20331), (1359, 13554), (1506, 12231), (2259, 8154), (2718, 6777), (4077, 4518)]