18438390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{204871}}^1$

素因数の和:204884

約数の個数: 24

約数和(自身を含む): 47940048

約数和(自身を除く): 29501658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 204871, 409742, 614613, 1024355, 1229226, 1843839, 2048710, 3073065, 3687678, 6146130, 9219195, 18438390]

約数ペア:

[(1, 18438390), (2, 9219195), (3, 6146130), (5, 3687678), (6, 3073065), (9, 2048710), (10, 1843839), (15, 1229226), (18, 1024355), (30, 614613), (45, 409742), (90, 204871)]