19996476

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 29645508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1367, 2438, 2734, 3657, 4101, 4876, 5468, 7314, 8202, 14628, 16404, 31441, 62882, 72451, 94323, 125764, 144902, 188646, 217353, 289804, 377292, 434706, 869412, 1666373, 3332746, 4999119, 6665492, 9998238, 19996476]

約数ペア:

[(1, 19996476), (2, 9998238), (3, 6665492), (4, 4999119), (6, 3332746), (12, 1666373), (23, 869412), (46, 434706), (53, 377292), (69, 289804), (92, 217353), (106, 188646), (138, 144902), (159, 125764), (212, 94323), (276, 72451), (318, 62882), (636, 31441), (1219, 16404), (1367, 14628), (2438, 8202), (2734, 7314), (3657, 5468), (4101, 4876)]