19727872

素因数分解:

$2^9\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:798

約数の個数: 40

約数和(自身を含む): 40216176

約数和(自身を除く): 20488304

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 512, 727, 848, 1454, 1696, 2908, 3392, 5816, 6784, 11632, 13568, 23264, 27136, 38531, 46528, 77062, 93056, 154124, 186112, 308248, 372224, 616496, 1232992, 2465984, 4931968, 9863936, 19727872]

約数ペア:

[(1, 19727872), (2, 9863936), (4, 4931968), (8, 2465984), (16, 1232992), (32, 616496), (53, 372224), (64, 308248), (106, 186112), (128, 154124), (212, 93056), (256, 77062), (424, 46528), (512, 38531), (727, 27136), (848, 23264), (1454, 13568), (1696, 11632), (2908, 6784), (3392, 5816)]