18213440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 112

約数和(自身を含む): 50913792

約数和(自身を除く): 32700352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 140, 160, 173, 188, 224, 235, 280, 320, 329, 346, 376, 448, 470, 560, 658, 692, 752, 865, 940, 1120, 1211, 1316, 1384, 1504, 1645, 1730, 1880, 2240, 2422, 2632, 2768, 3008, 3290, 3460, 3760, 4844, 5264, 5536, 6055, 6580, 6920, 7520, 8131, 9688, 10528, 11072, 12110, 13160, 13840, 15040, 16262, 19376, 21056, 24220, 26320, 27680, 32524, 38752, 40655, 48440, 52640, 55360, 56917, 65048, 77504, 81310, 96880, 105280, 113834, 130096, 162620, 193760, 227668, 260192, 284585, 325240, 387520, 455336, 520384, 569170, 650480, 910672, 1138340, 1300960, 1821344, 2276680, 2601920, 3642688, 4553360, 9106720, 18213440]

約数ペア:

[(1, 18213440), (2, 9106720), (4, 4553360), (5, 3642688), (7, 2601920), (8, 2276680), (10, 1821344), (14, 1300960), (16, 1138340), (20, 910672), (28, 650480), (32, 569170), (35, 520384), (40, 455336), (47, 387520), (56, 325240), (64, 284585), (70, 260192), (80, 227668), (94, 193760), (112, 162620), (140, 130096), (160, 113834), (173, 105280), (188, 96880), (224, 81310), (235, 77504), (280, 65048), (320, 56917), (329, 55360), (346, 52640), (376, 48440), (448, 40655), (470, 38752), (560, 32524), (658, 27680), (692, 26320), (752, 24220), (865, 21056), (940, 19376), (1120, 16262), (1211, 15040), (1316, 13840), (1384, 13160), (1504, 12110), (1645, 11072), (1730, 10528), (1880, 9688), (2240, 8131), (2422, 7520), (2632, 6920), (2768, 6580), (3008, 6055), (3290, 5536), (3460, 5264), (3760, 4844)]