19996148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1873}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 37307592

約数和(自身を除く): 17311444

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 1873, 2669, 3746, 5338, 7492, 10676, 31841, 63682, 127364, 294061, 588122, 1176244, 4999037, 9998074, 19996148]

約数ペア:

[(1, 19996148), (2, 9998074), (4, 4999037), (17, 1176244), (34, 588122), (68, 294061), (157, 127364), (314, 63682), (628, 31841), (1873, 10676), (2669, 7492), (3746, 5338)]