19585480

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{743}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 24608120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 743, 1318, 1486, 2636, 2972, 3295, 3715, 5272, 5944, 6590, 7430, 13180, 14860, 26360, 29720, 489637, 979274, 1958548, 2448185, 3917096, 4896370, 9792740, 19585480]

約数ペア:

[(1, 19585480), (2, 9792740), (4, 4896370), (5, 3917096), (8, 2448185), (10, 1958548), (20, 979274), (40, 489637), (659, 29720), (743, 26360), (1318, 14860), (1486, 13180), (2636, 7430), (2972, 6590), (3295, 5944), (3715, 5272)]