19881358

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5483}}^1$

素因数の和:5536

約数の個数: 24

約数和(自身を含む): 35635032

約数和(自身を除く): 15753674

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5483, 10966, 38381, 76762, 202871, 268667, 405742, 537334, 1420097, 2840194, 9940679, 19881358]

約数ペア:

[(1, 19881358), (2, 9940679), (7, 2840194), (14, 1420097), (37, 537334), (49, 405742), (74, 268667), (98, 202871), (259, 76762), (518, 38381), (1813, 10966), (3626, 5483)]