18419709

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{659}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 30919680

約数和(自身を除く): 12499971

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 659, 847, 1331, 1977, 2541, 3993, 4613, 7249, 9317, 13839, 21747, 27951, 50743, 79739, 152229, 239217, 558173, 877129, 1674519, 2631387, 6139903, 18419709]

約数ペア:

[(1, 18419709), (3, 6139903), (7, 2631387), (11, 1674519), (21, 877129), (33, 558173), (77, 239217), (121, 152229), (231, 79739), (363, 50743), (659, 27951), (847, 21747), (1331, 13839), (1977, 9317), (2541, 7249), (3993, 4613)]