19662812

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 41504400

約数和(自身を除く): 21841588

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 59, 68, 116, 118, 169, 221, 236, 338, 377, 442, 493, 676, 754, 767, 884, 986, 1003, 1508, 1534, 1711, 1972, 2006, 2873, 3068, 3422, 4012, 4901, 5746, 6409, 6844, 9802, 9971, 11492, 12818, 13039, 19604, 19942, 22243, 25636, 26078, 29087, 39884, 44486, 52156, 58174, 83317, 88972, 116348, 166634, 169507, 289159, 333268, 339014, 378131, 578318, 678028, 756262, 1156636, 1512524, 4915703, 9831406, 19662812]

約数ペア:

[(1, 19662812), (2, 9831406), (4, 4915703), (13, 1512524), (17, 1156636), (26, 756262), (29, 678028), (34, 578318), (52, 378131), (58, 339014), (59, 333268), (68, 289159), (116, 169507), (118, 166634), (169, 116348), (221, 88972), (236, 83317), (338, 58174), (377, 52156), (442, 44486), (493, 39884), (676, 29087), (754, 26078), (767, 25636), (884, 22243), (986, 19942), (1003, 19604), (1508, 13039), (1534, 12818), (1711, 11492), (1972, 9971), (2006, 9802), (2873, 6844), (3068, 6409), (3422, 5746), (4012, 4901)]