19782816

素因数分解:

$2^5\times 3^1\times {\mathrm{251}}^1\times {\mathrm{821}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 52200288

約数和(自身を除く): 32417472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 251, 502, 753, 821, 1004, 1506, 1642, 2008, 2463, 3012, 3284, 4016, 4926, 6024, 6568, 8032, 9852, 12048, 13136, 19704, 24096, 26272, 39408, 78816, 206071, 412142, 618213, 824284, 1236426, 1648568, 2472852, 3297136, 4945704, 6594272, 9891408, 19782816]

約数ペア:

[(1, 19782816), (2, 9891408), (3, 6594272), (4, 4945704), (6, 3297136), (8, 2472852), (12, 1648568), (16, 1236426), (24, 824284), (32, 618213), (48, 412142), (96, 206071), (251, 78816), (502, 39408), (753, 26272), (821, 24096), (1004, 19704), (1506, 13136), (1642, 12048), (2008, 9852), (2463, 8032), (3012, 6568), (3284, 6024), (4016, 4926)]