11917980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 36686832

約数和(自身を除く): 24768852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 907, 1095, 1314, 1460, 1814, 2190, 2628, 2721, 3285, 3628, 4380, 4535, 5442, 6570, 8163, 9070, 10884, 13140, 13605, 16326, 18140, 27210, 32652, 40815, 54420, 66211, 81630, 132422, 163260, 198633, 264844, 331055, 397266, 595899, 662110, 794532, 993165, 1191798, 1324220, 1986330, 2383596, 2979495, 3972660, 5958990, 11917980]

約数ペア:

[(1, 11917980), (2, 5958990), (3, 3972660), (4, 2979495), (5, 2383596), (6, 1986330), (9, 1324220), (10, 1191798), (12, 993165), (15, 794532), (18, 662110), (20, 595899), (30, 397266), (36, 331055), (45, 264844), (60, 198633), (73, 163260), (90, 132422), (146, 81630), (180, 66211), (219, 54420), (292, 40815), (365, 32652), (438, 27210), (657, 18140), (730, 16326), (876, 13605), (907, 13140), (1095, 10884), (1314, 9070), (1460, 8163), (1814, 6570), (2190, 5442), (2628, 4535), (2721, 4380), (3285, 3628)]