18348800

素因数分解:

$2^8\times 5^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 108

約数和(自身を含む): 47142816

約数和(自身を除く): 28794016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 61, 64, 80, 94, 100, 122, 128, 160, 188, 200, 235, 244, 256, 305, 320, 376, 400, 470, 488, 610, 640, 752, 800, 940, 976, 1175, 1220, 1280, 1504, 1525, 1600, 1880, 1952, 2350, 2440, 2867, 3008, 3050, 3200, 3760, 3904, 4700, 4880, 5734, 6016, 6100, 6400, 7520, 7808, 9400, 9760, 11468, 12032, 12200, 14335, 15040, 15616, 18800, 19520, 22936, 24400, 28670, 30080, 37600, 39040, 45872, 48800, 57340, 60160, 71675, 75200, 78080, 91744, 97600, 114680, 143350, 150400, 183488, 195200, 229360, 286700, 300800, 366976, 390400, 458720, 573400, 733952, 917440, 1146800, 1834880, 2293600, 3669760, 4587200, 9174400, 18348800]

約数ペア:

[(1, 18348800), (2, 9174400), (4, 4587200), (5, 3669760), (8, 2293600), (10, 1834880), (16, 1146800), (20, 917440), (25, 733952), (32, 573400), (40, 458720), (47, 390400), (50, 366976), (61, 300800), (64, 286700), (80, 229360), (94, 195200), (100, 183488), (122, 150400), (128, 143350), (160, 114680), (188, 97600), (200, 91744), (235, 78080), (244, 75200), (256, 71675), (305, 60160), (320, 57340), (376, 48800), (400, 45872), (470, 39040), (488, 37600), (610, 30080), (640, 28670), (752, 24400), (800, 22936), (940, 19520), (976, 18800), (1175, 15616), (1220, 15040), (1280, 14335), (1504, 12200), (1525, 12032), (1600, 11468), (1880, 9760), (1952, 9400), (2350, 7808), (2440, 7520), (2867, 6400), (3008, 6100), (3050, 6016), (3200, 5734), (3760, 4880), (3904, 4700)]