18838080

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 168

約数和(自身を含む): 67202304

約数和(自身を除く): 48364224

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 211, 240, 248, 279, 288, 310, 320, 360, 372, 422, 465, 480, 496, 558, 576, 620, 633, 720, 744, 844, 930, 960, 992, 1055, 1116, 1240, 1266, 1395, 1440, 1488, 1688, 1860, 1899, 1984, 2110, 2232, 2480, 2532, 2790, 2880, 2976, 3165, 3376, 3720, 3798, 4220, 4464, 4960, 5064, 5580, 5952, 6330, 6541, 6752, 7440, 7596, 8440, 8928, 9495, 9920, 10128, 11160, 12660, 13082, 13504, 14880, 15192, 16880, 17856, 18990, 19623, 20256, 22320, 25320, 26164, 29760, 30384, 32705, 33760, 37980, 39246, 40512, 44640, 50640, 52328, 58869, 60768, 65410, 67520, 75960, 78492, 89280, 98115, 101280, 104656, 117738, 121536, 130820, 151920, 156984, 196230, 202560, 209312, 235476, 261640, 294345, 303840, 313968, 392460, 418624, 470952, 523280, 588690, 607680, 627936, 784920, 941904, 1046560, 1177380, 1255872, 1569840, 1883808, 2093120, 2354760, 3139680, 3767616, 4709520, 6279360, 9419040, 18838080]

約数ペア:

[(1, 18838080), (2, 9419040), (3, 6279360), (4, 4709520), (5, 3767616), (6, 3139680), (8, 2354760), (9, 2093120), (10, 1883808), (12, 1569840), (15, 1255872), (16, 1177380), (18, 1046560), (20, 941904), (24, 784920), (30, 627936), (31, 607680), (32, 588690), (36, 523280), (40, 470952), (45, 418624), (48, 392460), (60, 313968), (62, 303840), (64, 294345), (72, 261640), (80, 235476), (90, 209312), (93, 202560), (96, 196230), (120, 156984), (124, 151920), (144, 130820), (155, 121536), (160, 117738), (180, 104656), (186, 101280), (192, 98115), (211, 89280), (240, 78492), (248, 75960), (279, 67520), (288, 65410), (310, 60768), (320, 58869), (360, 52328), (372, 50640), (422, 44640), (465, 40512), (480, 39246), (496, 37980), (558, 33760), (576, 32705), (620, 30384), (633, 29760), (720, 26164), (744, 25320), (844, 22320), (930, 20256), (960, 19623), (992, 18990), (1055, 17856), (1116, 16880), (1240, 15192), (1266, 14880), (1395, 13504), (1440, 13082), (1488, 12660), (1688, 11160), (1860, 10128), (1899, 9920), (1984, 9495), (2110, 8928), (2232, 8440), (2480, 7596), (2532, 7440), (2790, 6752), (2880, 6541), (2976, 6330), (3165, 5952), (3376, 5580), (3720, 5064), (3798, 4960), (4220, 4464)]