18848060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12239}}^1$

素因数の和:12266

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 30503620

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12239, 24478, 48956, 61195, 85673, 122390, 134629, 171346, 244780, 269258, 342692, 428365, 538516, 673145, 856730, 942403, 1346290, 1713460, 1884806, 2692580, 3769612, 4712015, 9424030, 18848060]

約数ペア:

[(1, 18848060), (2, 9424030), (4, 4712015), (5, 3769612), (7, 2692580), (10, 1884806), (11, 1713460), (14, 1346290), (20, 942403), (22, 856730), (28, 673145), (35, 538516), (44, 428365), (55, 342692), (70, 269258), (77, 244780), (110, 171346), (140, 134629), (154, 122390), (220, 85673), (308, 61195), (385, 48956), (770, 24478), (1540, 12239)]