18268670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 39940128

約数和(自身を除く): 21671458

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 1621, 2254, 3242, 5635, 8105, 11270, 11347, 16210, 22694, 37283, 56735, 74566, 79429, 113470, 158858, 186415, 260981, 372830, 397145, 521962, 794290, 1304905, 1826867, 2609810, 3653734, 9134335, 18268670]

約数ペア:

[(1, 18268670), (2, 9134335), (5, 3653734), (7, 2609810), (10, 1826867), (14, 1304905), (23, 794290), (35, 521962), (46, 397145), (49, 372830), (70, 260981), (98, 186415), (115, 158858), (161, 113470), (230, 79429), (245, 74566), (322, 56735), (490, 37283), (805, 22694), (1127, 16210), (1610, 11347), (1621, 11270), (2254, 8105), (3242, 5635)]