18378045

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 37320192

約数和(自身を除く): 18942147

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1423, 1435, 1845, 2583, 4269, 4305, 7115, 9961, 12807, 12915, 21345, 29883, 49805, 58343, 64035, 89649, 149415, 175029, 291715, 408401, 448245, 525087, 875145, 1225203, 2042005, 2625435, 3675609, 6126015, 18378045]

約数ペア:

[(1, 18378045), (3, 6126015), (5, 3675609), (7, 2625435), (9, 2042005), (15, 1225203), (21, 875145), (35, 525087), (41, 448245), (45, 408401), (63, 291715), (105, 175029), (123, 149415), (205, 89649), (287, 64035), (315, 58343), (369, 49805), (615, 29883), (861, 21345), (1423, 12915), (1435, 12807), (1845, 9961), (2583, 7115), (4269, 4305)]