19947210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28909}}^1$

素因数の和:28942

約数の個数: 32

約数和(自身を含む): 49956480

約数和(自身を除く): 30009270

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28909, 57818, 86727, 144545, 173454, 289090, 433635, 664907, 867270, 1329814, 1994721, 3324535, 3989442, 6649070, 9973605, 19947210]

約数ペア:

[(1, 19947210), (2, 9973605), (3, 6649070), (5, 3989442), (6, 3324535), (10, 1994721), (15, 1329814), (23, 867270), (30, 664907), (46, 433635), (69, 289090), (115, 173454), (138, 144545), (230, 86727), (345, 57818), (690, 28909)]