19487930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25309}}^1$

素因数の和:25334

約数の個数: 32

約数和(自身を含む): 43735680

約数和(自身を除く): 24247750

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25309, 50618, 126545, 177163, 253090, 278399, 354326, 556798, 885815, 1391995, 1771630, 1948793, 2783990, 3897586, 9743965, 19487930]

約数ペア:

[(1, 19487930), (2, 9743965), (5, 3897586), (7, 2783990), (10, 1948793), (11, 1771630), (14, 1391995), (22, 885815), (35, 556798), (55, 354326), (70, 278399), (77, 253090), (110, 177163), (154, 126545), (385, 50618), (770, 25309)]