18068800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 84

約数和(自身を含む): 46488096

約数和(自身を除く): 28419296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 491, 575, 736, 800, 920, 982, 1150, 1472, 1600, 1840, 1964, 2300, 2455, 3680, 3928, 4600, 4910, 7360, 7856, 9200, 9820, 11293, 12275, 15712, 18400, 19640, 22586, 24550, 31424, 36800, 39280, 45172, 49100, 56465, 78560, 90344, 98200, 112930, 157120, 180688, 196400, 225860, 282325, 361376, 392800, 451720, 564650, 722752, 785600, 903440, 1129300, 1806880, 2258600, 3613760, 4517200, 9034400, 18068800]

約数ペア:

[(1, 18068800), (2, 9034400), (4, 4517200), (5, 3613760), (8, 2258600), (10, 1806880), (16, 1129300), (20, 903440), (23, 785600), (25, 722752), (32, 564650), (40, 451720), (46, 392800), (50, 361376), (64, 282325), (80, 225860), (92, 196400), (100, 180688), (115, 157120), (160, 112930), (184, 98200), (200, 90344), (230, 78560), (320, 56465), (368, 49100), (400, 45172), (460, 39280), (491, 36800), (575, 31424), (736, 24550), (800, 22586), (920, 19640), (982, 18400), (1150, 15712), (1472, 12275), (1600, 11293), (1840, 9820), (1964, 9200), (2300, 7856), (2455, 7360), (3680, 4910), (3928, 4600)]