19691406

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 53576640

約数和(自身を除く): 33885234

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 29, 34, 42, 51, 58, 63, 87, 102, 119, 126, 153, 174, 203, 238, 261, 306, 317, 357, 406, 493, 522, 609, 634, 714, 951, 986, 1071, 1218, 1479, 1827, 1902, 2142, 2219, 2853, 2958, 3451, 3654, 4437, 4438, 5389, 5706, 6657, 6902, 8874, 9193, 10353, 10778, 13314, 16167, 18386, 19971, 20706, 27579, 31059, 32334, 37723, 39942, 48501, 55158, 62118, 64351, 75446, 82737, 97002, 113169, 128702, 156281, 165474, 193053, 226338, 312562, 339507, 386106, 468843, 579159, 679014, 937686, 1093967, 1158318, 1406529, 2187934, 2813058, 3281901, 6563802, 9845703, 19691406]

約数ペア:

[(1, 19691406), (2, 9845703), (3, 6563802), (6, 3281901), (7, 2813058), (9, 2187934), (14, 1406529), (17, 1158318), (18, 1093967), (21, 937686), (29, 679014), (34, 579159), (42, 468843), (51, 386106), (58, 339507), (63, 312562), (87, 226338), (102, 193053), (119, 165474), (126, 156281), (153, 128702), (174, 113169), (203, 97002), (238, 82737), (261, 75446), (306, 64351), (317, 62118), (357, 55158), (406, 48501), (493, 39942), (522, 37723), (609, 32334), (634, 31059), (714, 27579), (951, 20706), (986, 19971), (1071, 18386), (1218, 16167), (1479, 13314), (1827, 10778), (1902, 10353), (2142, 9193), (2219, 8874), (2853, 6902), (2958, 6657), (3451, 5706), (3654, 5389), (4437, 4438)]