19561304

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2143}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 42193920

約数和(自身を除く): 22632616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2143, 2282, 4286, 4564, 8572, 9128, 15001, 17144, 30002, 60004, 120008, 349309, 698618, 1397236, 2445163, 2794472, 4890326, 9780652, 19561304]

約数ペア:

[(1, 19561304), (2, 9780652), (4, 4890326), (7, 2794472), (8, 2445163), (14, 1397236), (28, 698618), (56, 349309), (163, 120008), (326, 60004), (652, 30002), (1141, 17144), (1304, 15001), (2143, 9128), (2282, 8572), (4286, 4564)]