19646984

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4441}}^1$

素因数の和:4533

約数の個数: 32

約数和(自身を含む): 42643200

約数和(自身を除く): 22996216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 4441, 8882, 17764, 31087, 35528, 62174, 124348, 248696, 350839, 701678, 1403356, 2455873, 2806712, 4911746, 9823492, 19646984]

約数ペア:

[(1, 19646984), (2, 9823492), (4, 4911746), (7, 2806712), (8, 2455873), (14, 1403356), (28, 701678), (56, 350839), (79, 248696), (158, 124348), (316, 62174), (553, 35528), (632, 31087), (1106, 17764), (2212, 8882), (4424, 4441)]