19315615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2357}}^1$

素因数の和:2522

約数の個数: 16

約数和(自身を含む): 25466400

約数和(自身を除く): 6150785

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2357, 8195, 11785, 25927, 129635, 351193, 1755965, 3863123, 19315615]

約数ペア:

[(1, 19315615), (5, 3863123), (11, 1755965), (55, 351193), (149, 129635), (745, 25927), (1639, 11785), (2357, 8195)]