19821080384

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{725303}}^1$

素因数の和:725383

約数の個数: 56

約数和(自身を含む): 45688349568

約数和(自身を除く): 25867269184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 854, 976, 1708, 1952, 3416, 3904, 6832, 13664, 27328, 725303, 1450606, 2901212, 5077121, 5802424, 10154242, 11604848, 20308484, 23209696, 40616968, 44243483, 46419392, 81233936, 88486966, 162467872, 176973932, 309704381, 324935744, 353947864, 619408762, 707895728, 1238817524, 1415791456, 2477635048, 2831582912, 4955270096, 9910540192, 19821080384]

約数ペア:

[(1, 19821080384), (2, 9910540192), (4, 4955270096), (7, 2831582912), (8, 2477635048), (14, 1415791456), (16, 1238817524), (28, 707895728), (32, 619408762), (56, 353947864), (61, 324935744), (64, 309704381), (112, 176973932), (122, 162467872), (224, 88486966), (244, 81233936), (427, 46419392), (448, 44243483), (488, 40616968), (854, 23209696), (976, 20308484), (1708, 11604848), (1952, 10154242), (3416, 5802424), (3904, 5077121), (6832, 2901212), (13664, 1450606), (27328, 725303)]