19893335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 30039552

約数和(自身を除く): 10146217

約数列:

[1, 5, 7, 11, 35, 55, 77, 163, 317, 385, 815, 1141, 1585, 1793, 2219, 3487, 5705, 8965, 11095, 12551, 17435, 24409, 51671, 62755, 122045, 258355, 361697, 568381, 1808485, 2841905, 3978667, 19893335]

約数ペア:

[(1, 19893335), (5, 3978667), (7, 2841905), (11, 1808485), (35, 568381), (55, 361697), (77, 258355), (163, 122045), (317, 62755), (385, 51671), (815, 24409), (1141, 17435), (1585, 12551), (1793, 11095), (2219, 8965), (3487, 5705)]