18435978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 45843840

約数和(自身を除く): 27407862

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 41, 54, 66, 82, 99, 123, 198, 246, 297, 369, 451, 594, 738, 757, 902, 1107, 1353, 1514, 2214, 2271, 2706, 4059, 4542, 6813, 8118, 8327, 12177, 13626, 16654, 20439, 24354, 24981, 31037, 40878, 49962, 62074, 74943, 93111, 149886, 186222, 224829, 279333, 341407, 449658, 558666, 682814, 837999, 1024221, 1675998, 2048442, 3072663, 6145326, 9217989, 18435978]

約数ペア:

[(1, 18435978), (2, 9217989), (3, 6145326), (6, 3072663), (9, 2048442), (11, 1675998), (18, 1024221), (22, 837999), (27, 682814), (33, 558666), (41, 449658), (54, 341407), (66, 279333), (82, 224829), (99, 186222), (123, 149886), (198, 93111), (246, 74943), (297, 62074), (369, 49962), (451, 40878), (594, 31037), (738, 24981), (757, 24354), (902, 20439), (1107, 16654), (1353, 13626), (1514, 12177), (2214, 8327), (2271, 8118), (2706, 6813), (4059, 4542)]