19727848

素因数分解:

$2^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2333}}^1$

素因数の和:2497

約数の個数: 32

約数和(自身を含む): 42572160

約数和(自身を除く): 22844312

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 151, 302, 604, 1057, 1208, 2114, 2333, 4228, 4666, 8456, 9332, 16331, 18664, 32662, 65324, 130648, 352283, 704566, 1409132, 2465981, 2818264, 4931962, 9863924, 19727848]

約数ペア:

[(1, 19727848), (2, 9863924), (4, 4931962), (7, 2818264), (8, 2465981), (14, 1409132), (28, 704566), (56, 352283), (151, 130648), (302, 65324), (604, 32662), (1057, 18664), (1208, 16331), (2114, 9332), (2333, 8456), (4228, 4666)]