19841408

素因数分解:

$2^7\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 39729000

約数和(自身を除く): 19887592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 379, 409, 758, 818, 1516, 1636, 3032, 3272, 6064, 6544, 12128, 13088, 24256, 26176, 48512, 52352, 155011, 310022, 620044, 1240088, 2480176, 4960352, 9920704, 19841408]

約数ペア:

[(1, 19841408), (2, 9920704), (4, 4960352), (8, 2480176), (16, 1240088), (32, 620044), (64, 310022), (128, 155011), (379, 52352), (409, 48512), (758, 26176), (818, 24256), (1516, 13088), (1636, 12128), (3032, 6544), (3272, 6064)]