18880708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1039}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 23052092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1039, 1298, 1652, 2078, 2596, 4156, 4543, 7273, 9086, 11429, 14546, 18172, 22858, 29092, 45716, 61301, 80003, 122602, 160006, 245204, 320012, 429107, 674311, 858214, 1348622, 1716428, 2697244, 4720177, 9440354, 18880708]

約数ペア:

[(1, 18880708), (2, 9440354), (4, 4720177), (7, 2697244), (11, 1716428), (14, 1348622), (22, 858214), (28, 674311), (44, 429107), (59, 320012), (77, 245204), (118, 160006), (154, 122602), (236, 80003), (308, 61301), (413, 45716), (649, 29092), (826, 22858), (1039, 18172), (1298, 14546), (1652, 11429), (2078, 9086), (2596, 7273), (4156, 4543)]