19664460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1143

約数の個数: 72

約数和(自身を含む): 60265296

約数和(自身を除く): 40600836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1021, 1070, 1284, 1605, 1926, 2042, 2140, 3063, 3210, 3852, 4084, 4815, 5105, 6126, 6420, 9189, 9630, 10210, 12252, 15315, 18378, 19260, 20420, 30630, 36756, 45945, 61260, 91890, 109247, 183780, 218494, 327741, 436988, 546235, 655482, 983223, 1092470, 1310964, 1638705, 1966446, 2184940, 3277410, 3932892, 4916115, 6554820, 9832230, 19664460]

約数ペア:

[(1, 19664460), (2, 9832230), (3, 6554820), (4, 4916115), (5, 3932892), (6, 3277410), (9, 2184940), (10, 1966446), (12, 1638705), (15, 1310964), (18, 1092470), (20, 983223), (30, 655482), (36, 546235), (45, 436988), (60, 327741), (90, 218494), (107, 183780), (180, 109247), (214, 91890), (321, 61260), (428, 45945), (535, 36756), (642, 30630), (963, 20420), (1021, 19260), (1070, 18378), (1284, 15315), (1605, 12252), (1926, 10210), (2042, 9630), (2140, 9189), (3063, 6420), (3210, 6126), (3852, 5105), (4084, 4815)]