17970394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 31101840

約数和(自身を除く): 13131446

約数列:

[1, 2, 13, 17, 26, 34, 109, 218, 221, 373, 442, 746, 1417, 1853, 2834, 3706, 4849, 6341, 9698, 12682, 24089, 40657, 48178, 81314, 82433, 164866, 528541, 691169, 1057082, 1382338, 8985197, 17970394]

約数ペア:

[(1, 17970394), (2, 8985197), (13, 1382338), (17, 1057082), (26, 691169), (34, 528541), (109, 164866), (218, 82433), (221, 81314), (373, 48178), (442, 40657), (746, 24089), (1417, 12682), (1853, 9698), (2834, 6341), (3706, 4849)]