19877376

素因数分解:

$2^9\times 3^1\times {\mathrm{12941}}^1$

素因数の和:12962

約数の個数: 40

約数和(自身を含む): 52958664

約数和(自身を除く): 33081288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 12941, 25882, 38823, 51764, 77646, 103528, 155292, 207056, 310584, 414112, 621168, 828224, 1242336, 1656448, 2484672, 3312896, 4969344, 6625792, 9938688, 19877376]

約数ペア:

[(1, 19877376), (2, 9938688), (3, 6625792), (4, 4969344), (6, 3312896), (8, 2484672), (12, 1656448), (16, 1242336), (24, 828224), (32, 621168), (48, 414112), (64, 310584), (96, 207056), (128, 155292), (192, 103528), (256, 77646), (384, 51764), (512, 38823), (768, 25882), (1536, 12941)]