18952005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12981435

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 769, 795, 1643, 2307, 3845, 4929, 8215, 11535, 23839, 24645, 40757, 71517, 119195, 122271, 203785, 357585, 611355, 1263467, 3790401, 6317335, 18952005]

約数ペア:

[(1, 18952005), (3, 6317335), (5, 3790401), (15, 1263467), (31, 611355), (53, 357585), (93, 203785), (155, 122271), (159, 119195), (265, 71517), (465, 40757), (769, 24645), (795, 23839), (1643, 11535), (2307, 8215), (3845, 4929)]