18657216

素因数分解:

$2^6\times 3^4\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 140

約数和(自身を含む): 57165240

約数和(自身を除く): 38508024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 59, 61, 64, 72, 81, 96, 108, 118, 122, 144, 162, 177, 183, 192, 216, 236, 244, 288, 324, 354, 366, 432, 472, 488, 531, 549, 576, 648, 708, 732, 864, 944, 976, 1062, 1098, 1296, 1416, 1464, 1593, 1647, 1728, 1888, 1952, 2124, 2196, 2592, 2832, 2928, 3186, 3294, 3599, 3776, 3904, 4248, 4392, 4779, 4941, 5184, 5664, 5856, 6372, 6588, 7198, 8496, 8784, 9558, 9882, 10797, 11328, 11712, 12744, 13176, 14396, 16992, 17568, 19116, 19764, 21594, 25488, 26352, 28792, 32391, 33984, 35136, 38232, 39528, 43188, 50976, 52704, 57584, 64782, 76464, 79056, 86376, 97173, 101952, 105408, 115168, 129564, 152928, 158112, 172752, 194346, 230336, 259128, 291519, 305856, 316224, 345504, 388692, 518256, 583038, 691008, 777384, 1036512, 1166076, 1554768, 2073024, 2332152, 3109536, 4664304, 6219072, 9328608, 18657216]

約数ペア:

[(1, 18657216), (2, 9328608), (3, 6219072), (4, 4664304), (6, 3109536), (8, 2332152), (9, 2073024), (12, 1554768), (16, 1166076), (18, 1036512), (24, 777384), (27, 691008), (32, 583038), (36, 518256), (48, 388692), (54, 345504), (59, 316224), (61, 305856), (64, 291519), (72, 259128), (81, 230336), (96, 194346), (108, 172752), (118, 158112), (122, 152928), (144, 129564), (162, 115168), (177, 105408), (183, 101952), (192, 97173), (216, 86376), (236, 79056), (244, 76464), (288, 64782), (324, 57584), (354, 52704), (366, 50976), (432, 43188), (472, 39528), (488, 38232), (531, 35136), (549, 33984), (576, 32391), (648, 28792), (708, 26352), (732, 25488), (864, 21594), (944, 19764), (976, 19116), (1062, 17568), (1098, 16992), (1296, 14396), (1416, 13176), (1464, 12744), (1593, 11712), (1647, 11328), (1728, 10797), (1888, 9882), (1952, 9558), (2124, 8784), (2196, 8496), (2592, 7198), (2832, 6588), (2928, 6372), (3186, 5856), (3294, 5664), (3599, 5184), (3776, 4941), (3904, 4779), (4248, 4392)]