18645760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2081}}^1$

素因数の和:2109

約数の個数: 72

約数和(自身を含む): 51067296

約数和(自身を除く): 32421536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2081, 2240, 4162, 4480, 8324, 8960, 10405, 14567, 16648, 20810, 29134, 33296, 41620, 58268, 66592, 72835, 83240, 116536, 133184, 145670, 166480, 233072, 266368, 291340, 332960, 466144, 532736, 582680, 665920, 932288, 1165360, 1331840, 1864576, 2330720, 2663680, 3729152, 4661440, 9322880, 18645760]

約数ペア:

[(1, 18645760), (2, 9322880), (4, 4661440), (5, 3729152), (7, 2663680), (8, 2330720), (10, 1864576), (14, 1331840), (16, 1165360), (20, 932288), (28, 665920), (32, 582680), (35, 532736), (40, 466144), (56, 332960), (64, 291340), (70, 266368), (80, 233072), (112, 166480), (128, 145670), (140, 133184), (160, 116536), (224, 83240), (256, 72835), (280, 66592), (320, 58268), (448, 41620), (560, 33296), (640, 29134), (896, 20810), (1120, 16648), (1280, 14567), (1792, 10405), (2081, 8960), (2240, 8324), (4162, 4480)]