19894245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27067}}^1$

素因数の和:27089

約数の個数: 24

約数和(自身を含む): 37029024

約数和(自身を除く): 17134779

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27067, 81201, 135335, 189469, 406005, 568407, 947345, 1326283, 2842035, 3978849, 6631415, 19894245]

約数ペア:

[(1, 19894245), (3, 6631415), (5, 3978849), (7, 2842035), (15, 1326283), (21, 947345), (35, 568407), (49, 406005), (105, 189469), (147, 135335), (245, 81201), (735, 27067)]