18840675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 37711872

約数和(自身を除く): 18871197

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2111, 2975, 6333, 8925, 10555, 14777, 31665, 35887, 44331, 52775, 73885, 107661, 158325, 179435, 221655, 251209, 369425, 538305, 753627, 897175, 1108275, 1256045, 2691525, 3768135, 6280225, 18840675]

約数ペア:

[(1, 18840675), (3, 6280225), (5, 3768135), (7, 2691525), (15, 1256045), (17, 1108275), (21, 897175), (25, 753627), (35, 538305), (51, 369425), (75, 251209), (85, 221655), (105, 179435), (119, 158325), (175, 107661), (255, 73885), (357, 52775), (425, 44331), (525, 35887), (595, 31665), (1275, 14777), (1785, 10555), (2111, 8925), (2975, 6333)]