19651408

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2315

約数の個数: 40

約数和(自身を含む): 44084480

約数和(自身を除く): 24433072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2221, 4424, 4442, 8848, 8884, 15547, 17768, 31094, 35536, 62188, 124376, 175459, 248752, 350918, 701836, 1228213, 1403672, 2456426, 2807344, 4912852, 9825704, 19651408]

約数ペア:

[(1, 19651408), (2, 9825704), (4, 4912852), (7, 2807344), (8, 2456426), (14, 1403672), (16, 1228213), (28, 701836), (56, 350918), (79, 248752), (112, 175459), (158, 124376), (316, 62188), (553, 35536), (632, 31094), (1106, 17768), (1264, 15547), (2212, 8884), (2221, 8848), (4424, 4442)]