18672416

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2737

約数の個数: 48

約数和(自身を含む): 43384320

約数和(自身を除く): 24711904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2689, 3472, 5378, 6944, 10756, 18823, 21512, 37646, 43024, 75292, 83359, 86048, 150584, 166718, 301168, 333436, 583513, 602336, 666872, 1167026, 1333744, 2334052, 2667488, 4668104, 9336208, 18672416]

約数ペア:

[(1, 18672416), (2, 9336208), (4, 4668104), (7, 2667488), (8, 2334052), (14, 1333744), (16, 1167026), (28, 666872), (31, 602336), (32, 583513), (56, 333436), (62, 301168), (112, 166718), (124, 150584), (217, 86048), (224, 83359), (248, 75292), (434, 43024), (496, 37646), (868, 21512), (992, 18823), (1736, 10756), (2689, 6944), (3472, 5378)]