19742030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25639}}^1$

素因数の和:25664

約数の個数: 32

約数和(自身を含む): 44305920

約数和(自身を除く): 24563890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 25639, 51278, 128195, 179473, 256390, 282029, 358946, 564058, 897365, 1410145, 1794730, 1974203, 2820290, 3948406, 9871015, 19742030]

約数ペア:

[(1, 19742030), (2, 9871015), (5, 3948406), (7, 2820290), (10, 1974203), (11, 1794730), (14, 1410145), (22, 897365), (35, 564058), (55, 358946), (70, 282029), (77, 256390), (110, 179473), (154, 128195), (385, 51278), (770, 25639)]