18411520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 104

約数和(自身を含む): 47180160

約数和(自身を除く): 28768640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 248, 256, 290, 310, 320, 464, 496, 512, 580, 620, 640, 899, 928, 992, 1024, 1160, 1240, 1280, 1798, 1856, 1984, 2048, 2320, 2480, 2560, 3596, 3712, 3968, 4096, 4495, 4640, 4960, 5120, 7192, 7424, 7936, 8990, 9280, 9920, 10240, 14384, 14848, 15872, 17980, 18560, 19840, 20480, 28768, 29696, 31744, 35960, 37120, 39680, 57536, 59392, 63488, 71920, 74240, 79360, 115072, 118784, 126976, 143840, 148480, 158720, 230144, 287680, 296960, 317440, 460288, 575360, 593920, 634880, 920576, 1150720, 1841152, 2301440, 3682304, 4602880, 9205760, 18411520]

約数ペア:

[(1, 18411520), (2, 9205760), (4, 4602880), (5, 3682304), (8, 2301440), (10, 1841152), (16, 1150720), (20, 920576), (29, 634880), (31, 593920), (32, 575360), (40, 460288), (58, 317440), (62, 296960), (64, 287680), (80, 230144), (116, 158720), (124, 148480), (128, 143840), (145, 126976), (155, 118784), (160, 115072), (232, 79360), (248, 74240), (256, 71920), (290, 63488), (310, 59392), (320, 57536), (464, 39680), (496, 37120), (512, 35960), (580, 31744), (620, 29696), (640, 28768), (899, 20480), (928, 19840), (992, 18560), (1024, 17980), (1160, 15872), (1240, 14848), (1280, 14384), (1798, 10240), (1856, 9920), (1984, 9280), (2048, 8990), (2320, 7936), (2480, 7424), (2560, 7192), (3596, 5120), (3712, 4960), (3968, 4640), (4096, 4495)]