20191808

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3499

約数の個数: 56

約数和(自身を含む): 49328832

約数和(自身を除く): 29137024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3467, 5824, 6934, 13868, 24269, 27736, 45071, 48538, 55472, 90142, 97076, 110944, 180284, 194152, 221888, 315497, 360568, 388304, 630994, 721136, 776608, 1261988, 1442272, 1553216, 2523976, 2884544, 5047952, 10095904, 20191808]

約数ペア:

[(1, 20191808), (2, 10095904), (4, 5047952), (7, 2884544), (8, 2523976), (13, 1553216), (14, 1442272), (16, 1261988), (26, 776608), (28, 721136), (32, 630994), (52, 388304), (56, 360568), (64, 315497), (91, 221888), (104, 194152), (112, 180284), (182, 110944), (208, 97076), (224, 90142), (364, 55472), (416, 48538), (448, 45071), (728, 27736), (832, 24269), (1456, 13868), (2912, 6934), (3467, 5824)]