19383399

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3457}}^1$

素因数の和:3559

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 12983481

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3457, 5607, 10371, 24199, 31113, 72597, 217791, 307673, 923019, 2153711, 2769057, 6461133, 19383399]

約数ペア:

[(1, 19383399), (3, 6461133), (7, 2769057), (9, 2153711), (21, 923019), (63, 307673), (89, 217791), (267, 72597), (623, 31113), (801, 24199), (1869, 10371), (3457, 5607)]