2018512845

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{367}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 3637370880

約数和(自身を除く): 1618858035

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 311, 367, 393, 655, 933, 1101, 1179, 1555, 1835, 1965, 2799, 3303, 3537, 4665, 5505, 5895, 8397, 9909, 13995, 16515, 17685, 40741, 41985, 48077, 49545, 114137, 122223, 144231, 203705, 240385, 342411, 366669, 432693, 570685, 611115, 721155, 1027233, 1100007, 1298079, 1712055, 1833345, 2163465, 3081699, 5136165, 5500035, 6490395, 14951947, 15408495, 44855841, 74759735, 134567523, 224279205, 403702569, 672837615, 2018512845]

約数ペア:

[(1, 2018512845), (3, 672837615), (5, 403702569), (9, 224279205), (15, 134567523), (27, 74759735), (45, 44855841), (131, 15408495), (135, 14951947), (311, 6490395), (367, 5500035), (393, 5136165), (655, 3081699), (933, 2163465), (1101, 1833345), (1179, 1712055), (1555, 1298079), (1835, 1100007), (1965, 1027233), (2799, 721155), (3303, 611115), (3537, 570685), (4665, 432693), (5505, 366669), (5895, 342411), (8397, 240385), (9909, 203705), (13995, 144231), (16515, 122223), (17685, 114137), (40741, 49545), (41985, 48077)]