19005440

素因数分解:

$2^{17}\times 5^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 72

約数和(自身を含む): 47185740

約数和(自身を除く): 28180300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1024, 1160, 1280, 1856, 2048, 2320, 2560, 3712, 4096, 4640, 5120, 7424, 8192, 9280, 10240, 14848, 16384, 18560, 20480, 29696, 32768, 37120, 40960, 59392, 65536, 74240, 81920, 118784, 131072, 148480, 163840, 237568, 296960, 327680, 475136, 593920, 655360, 950272, 1187840, 1900544, 2375680, 3801088, 4751360, 9502720, 19005440]

約数ペア:

[(1, 19005440), (2, 9502720), (4, 4751360), (5, 3801088), (8, 2375680), (10, 1900544), (16, 1187840), (20, 950272), (29, 655360), (32, 593920), (40, 475136), (58, 327680), (64, 296960), (80, 237568), (116, 163840), (128, 148480), (145, 131072), (160, 118784), (232, 81920), (256, 74240), (290, 65536), (320, 59392), (464, 40960), (512, 37120), (580, 32768), (640, 29696), (928, 20480), (1024, 18560), (1160, 16384), (1280, 14848), (1856, 10240), (2048, 9280), (2320, 8192), (2560, 7424), (3712, 5120), (4096, 4640)]