19473993

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 128

約数和(自身を含む): 41472000

約数和(自身を除く): 21998007

約数列:

[1, 3, 7, 9, 11, 17, 19, 21, 27, 29, 33, 51, 57, 63, 77, 87, 99, 119, 133, 153, 171, 187, 189, 203, 209, 231, 261, 297, 319, 323, 357, 399, 459, 493, 513, 551, 561, 609, 627, 693, 783, 957, 969, 1071, 1197, 1309, 1463, 1479, 1653, 1683, 1827, 1881, 2079, 2233, 2261, 2871, 2907, 3213, 3451, 3553, 3591, 3857, 3927, 4389, 4437, 4959, 5049, 5423, 5481, 5643, 6061, 6699, 6783, 8613, 8721, 9367, 10353, 10659, 11571, 11781, 13167, 13311, 14877, 16269, 18183, 20097, 20349, 24871, 28101, 31059, 31977, 34713, 35343, 37961, 39501, 42427, 48807, 54549, 60291, 61047, 65569, 74613, 84303, 93177, 95931, 103037, 104139, 113883, 127281, 146421, 163647, 196707, 223839, 252909, 309111, 341649, 381843, 590121, 671517, 721259, 927333, 1024947, 1145529, 1770363, 2163777, 2781999, 6491331, 19473993]

約数ペア:

[(1, 19473993), (3, 6491331), (7, 2781999), (9, 2163777), (11, 1770363), (17, 1145529), (19, 1024947), (21, 927333), (27, 721259), (29, 671517), (33, 590121), (51, 381843), (57, 341649), (63, 309111), (77, 252909), (87, 223839), (99, 196707), (119, 163647), (133, 146421), (153, 127281), (171, 113883), (187, 104139), (189, 103037), (203, 95931), (209, 93177), (231, 84303), (261, 74613), (297, 65569), (319, 61047), (323, 60291), (357, 54549), (399, 48807), (459, 42427), (493, 39501), (513, 37961), (551, 35343), (561, 34713), (609, 31977), (627, 31059), (693, 28101), (783, 24871), (957, 20349), (969, 20097), (1071, 18183), (1197, 16269), (1309, 14877), (1463, 13311), (1479, 13167), (1653, 11781), (1683, 11571), (1827, 10659), (1881, 10353), (2079, 9367), (2233, 8721), (2261, 8613), (2871, 6783), (2907, 6699), (3213, 6061), (3451, 5643), (3553, 5481), (3591, 5423), (3857, 5049), (3927, 4959), (4389, 4437)]