19994584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20224616

約数列:

[1, 2, 4, 8, 17, 34, 68, 79, 136, 158, 316, 632, 1343, 1861, 2686, 3722, 5372, 7444, 10744, 14888, 31637, 63274, 126548, 147019, 253096, 294038, 588076, 1176152, 2499323, 4998646, 9997292, 19994584]

約数ペア:

[(1, 19994584), (2, 9997292), (4, 4998646), (8, 2499323), (17, 1176152), (34, 588076), (68, 294038), (79, 253096), (136, 147019), (158, 126548), (316, 63274), (632, 31637), (1343, 14888), (1861, 10744), (2686, 7444), (3722, 5372)]