18258420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1759}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 51448320

約数和(自身を除く): 33189900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 1759, 2076, 2595, 3460, 3518, 5190, 5277, 7036, 8795, 10380, 10554, 17590, 21108, 26385, 35180, 52770, 105540, 304307, 608614, 912921, 1217228, 1521535, 1825842, 3043070, 3651684, 4564605, 6086140, 9129210, 18258420]

約数ペア:

[(1, 18258420), (2, 9129210), (3, 6086140), (4, 4564605), (5, 3651684), (6, 3043070), (10, 1825842), (12, 1521535), (15, 1217228), (20, 912921), (30, 608614), (60, 304307), (173, 105540), (346, 52770), (519, 35180), (692, 26385), (865, 21108), (1038, 17590), (1730, 10554), (1759, 10380), (2076, 8795), (2595, 7036), (3460, 5277), (3518, 5190)]