19882728

素因数分解:

$2^3\times 3^2\times {\mathrm{271}}^1\times {\mathrm{1019}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 54100800

約数和(自身を除く): 34218072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 271, 542, 813, 1019, 1084, 1626, 2038, 2168, 2439, 3057, 3252, 4076, 4878, 6114, 6504, 8152, 9171, 9756, 12228, 18342, 19512, 24456, 36684, 73368, 276149, 552298, 828447, 1104596, 1656894, 2209192, 2485341, 3313788, 4970682, 6627576, 9941364, 19882728]

約数ペア:

[(1, 19882728), (2, 9941364), (3, 6627576), (4, 4970682), (6, 3313788), (8, 2485341), (9, 2209192), (12, 1656894), (18, 1104596), (24, 828447), (36, 552298), (72, 276149), (271, 73368), (542, 36684), (813, 24456), (1019, 19512), (1084, 18342), (1626, 12228), (2038, 9756), (2168, 9171), (2439, 8152), (3057, 6504), (3252, 6114), (4076, 4878)]