18568845

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 96

約数和(自身を含む): 37739520

約数和(自身を除く): 19170675

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 31, 45, 51, 81, 85, 87, 93, 135, 145, 153, 155, 243, 255, 261, 279, 405, 435, 459, 465, 493, 527, 765, 783, 837, 899, 1215, 1305, 1377, 1395, 1479, 1581, 2295, 2349, 2465, 2511, 2635, 2697, 3915, 4131, 4185, 4437, 4495, 4743, 6885, 7047, 7395, 7533, 7905, 8091, 11745, 12555, 13311, 13485, 14229, 15283, 20655, 22185, 23715, 24273, 35235, 37665, 39933, 40455, 42687, 45849, 66555, 71145, 72819, 76415, 119799, 121365, 128061, 137547, 199665, 213435, 218457, 229245, 364095, 412641, 598995, 640305, 687735, 1092285, 1237923, 2063205, 3713769, 6189615, 18568845]

約数ペア:

[(1, 18568845), (3, 6189615), (5, 3713769), (9, 2063205), (15, 1237923), (17, 1092285), (27, 687735), (29, 640305), (31, 598995), (45, 412641), (51, 364095), (81, 229245), (85, 218457), (87, 213435), (93, 199665), (135, 137547), (145, 128061), (153, 121365), (155, 119799), (243, 76415), (255, 72819), (261, 71145), (279, 66555), (405, 45849), (435, 42687), (459, 40455), (465, 39933), (493, 37665), (527, 35235), (765, 24273), (783, 23715), (837, 22185), (899, 20655), (1215, 15283), (1305, 14229), (1377, 13485), (1395, 13311), (1479, 12555), (1581, 11745), (2295, 8091), (2349, 7905), (2465, 7533), (2511, 7395), (2635, 7047), (2697, 6885), (3915, 4743), (4131, 4495), (4185, 4437)]