18814936

素因数分解:

$2^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1249}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 40500000

約数和(自身を除く): 21685064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 269, 538, 1076, 1249, 1883, 2152, 2498, 3766, 4996, 7532, 8743, 9992, 15064, 17486, 34972, 69944, 335981, 671962, 1343924, 2351867, 2687848, 4703734, 9407468, 18814936]

約数ペア:

[(1, 18814936), (2, 9407468), (4, 4703734), (7, 2687848), (8, 2351867), (14, 1343924), (28, 671962), (56, 335981), (269, 69944), (538, 34972), (1076, 17486), (1249, 15064), (1883, 9992), (2152, 8743), (2498, 7532), (3766, 4996)]