19792210

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 37195200

約数和(自身を除く): 17402990

約数列:

[1, 2, 5, 10, 29, 58, 139, 145, 278, 290, 491, 695, 982, 1390, 2455, 4031, 4910, 8062, 14239, 20155, 28478, 40310, 68249, 71195, 136498, 142390, 341245, 682490, 1979221, 3958442, 9896105, 19792210]

約数ペア:

[(1, 19792210), (2, 9896105), (5, 3958442), (10, 1979221), (29, 682490), (58, 341245), (139, 142390), (145, 136498), (278, 71195), (290, 68249), (491, 40310), (695, 28478), (982, 20155), (1390, 14239), (2455, 8062), (4031, 4910)]