18291945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 34933248

約数和(自身を除く): 16641303

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 607, 615, 735, 861, 1435, 1821, 2009, 3035, 4249, 4305, 6027, 9105, 10045, 12747, 21245, 24887, 29743, 30135, 63735, 74661, 89229, 124435, 148715, 174209, 373305, 446145, 522627, 871045, 1219463, 2613135, 3658389, 6097315, 18291945]

約数ペア:

[(1, 18291945), (3, 6097315), (5, 3658389), (7, 2613135), (15, 1219463), (21, 871045), (35, 522627), (41, 446145), (49, 373305), (105, 174209), (123, 148715), (147, 124435), (205, 89229), (245, 74661), (287, 63735), (607, 30135), (615, 29743), (735, 24887), (861, 21245), (1435, 12747), (1821, 10045), (2009, 9105), (3035, 6027), (4249, 4305)]