19908708

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 49424256

約数和(自身を除く): 29515548

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1361, 2438, 2722, 3657, 4083, 4876, 5444, 7314, 8166, 14628, 16332, 31303, 62606, 72133, 93909, 125212, 144266, 187818, 216399, 288532, 375636, 432798, 865596, 1659059, 3318118, 4977177, 6636236, 9954354, 19908708]

約数ペア:

[(1, 19908708), (2, 9954354), (3, 6636236), (4, 4977177), (6, 3318118), (12, 1659059), (23, 865596), (46, 432798), (53, 375636), (69, 288532), (92, 216399), (106, 187818), (138, 144266), (159, 125212), (212, 93909), (276, 72133), (318, 62606), (636, 31303), (1219, 16332), (1361, 14628), (2438, 8166), (2722, 7314), (3657, 5444), (4083, 4876)]