18289005

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 16184595

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 167, 245, 447, 501, 735, 745, 835, 1043, 1169, 2235, 2505, 3129, 3507, 5215, 5845, 7301, 8183, 15645, 17535, 21903, 24549, 24883, 36505, 40915, 74649, 109515, 122745, 124415, 174181, 373245, 522543, 870905, 1219267, 2612715, 3657801, 6096335, 18289005]

約数ペア:

[(1, 18289005), (3, 6096335), (5, 3657801), (7, 2612715), (15, 1219267), (21, 870905), (35, 522543), (49, 373245), (105, 174181), (147, 124415), (149, 122745), (167, 109515), (245, 74649), (447, 40915), (501, 36505), (735, 24883), (745, 24549), (835, 21903), (1043, 17535), (1169, 15645), (2235, 8183), (2505, 7301), (3129, 5845), (3507, 5215)]