18226516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^2$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 42831936

約数和(自身を除く): 24605420

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 59, 68, 77, 118, 119, 154, 187, 236, 238, 308, 374, 413, 476, 649, 748, 826, 1003, 1298, 1309, 1652, 2006, 2596, 2618, 3481, 4012, 4543, 5236, 6962, 7021, 9086, 11033, 13924, 14042, 18172, 22066, 24367, 28084, 38291, 44132, 48734, 59177, 76582, 77231, 97468, 118354, 153164, 154462, 236708, 268037, 308924, 414239, 536074, 650947, 828478, 1072148, 1301894, 1656956, 2603788, 4556629, 9113258, 18226516]

約数ペア:

[(1, 18226516), (2, 9113258), (4, 4556629), (7, 2603788), (11, 1656956), (14, 1301894), (17, 1072148), (22, 828478), (28, 650947), (34, 536074), (44, 414239), (59, 308924), (68, 268037), (77, 236708), (118, 154462), (119, 153164), (154, 118354), (187, 97468), (236, 77231), (238, 76582), (308, 59177), (374, 48734), (413, 44132), (476, 38291), (649, 28084), (748, 24367), (826, 22066), (1003, 18172), (1298, 14042), (1309, 13924), (1652, 11033), (2006, 9086), (2596, 7021), (2618, 6962), (3481, 5236), (4012, 4543)]