18438435

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:929

約数の個数: 40

約数和(自身を含む): 33715440

約数和(自身を除く): 15277005

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 859, 1431, 2385, 2577, 4293, 4295, 7155, 7731, 12885, 21465, 23193, 38655, 45527, 69579, 115965, 136581, 227635, 347895, 409743, 682905, 1229229, 2048715, 3687687, 6146145, 18438435]

約数ペア:

[(1, 18438435), (3, 6146145), (5, 3687687), (9, 2048715), (15, 1229229), (27, 682905), (45, 409743), (53, 347895), (81, 227635), (135, 136581), (159, 115965), (265, 69579), (405, 45527), (477, 38655), (795, 23193), (859, 21465), (1431, 12885), (2385, 7731), (2577, 7155), (4293, 4295)]