19911648

素因数分解:

$2^5\times 3^1\times {\mathrm{211}}^1\times {\mathrm{983}}^1$

素因数の和:1207

約数の個数: 48

約数和(自身を含む): 52569216

約数和(自身を除く): 32657568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 983, 1266, 1688, 1966, 2532, 2949, 3376, 3932, 5064, 5898, 6752, 7864, 10128, 11796, 15728, 20256, 23592, 31456, 47184, 94368, 207413, 414826, 622239, 829652, 1244478, 1659304, 2488956, 3318608, 4977912, 6637216, 9955824, 19911648]

約数ペア:

[(1, 19911648), (2, 9955824), (3, 6637216), (4, 4977912), (6, 3318608), (8, 2488956), (12, 1659304), (16, 1244478), (24, 829652), (32, 622239), (48, 414826), (96, 207413), (211, 94368), (422, 47184), (633, 31456), (844, 23592), (983, 20256), (1266, 15728), (1688, 11796), (1966, 10128), (2532, 7864), (2949, 6752), (3376, 5898), (3932, 5064)]