9721870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 18703872

約数和(自身を除く): 8982002

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 983, 989, 1966, 1978, 4915, 4945, 9830, 9890, 22609, 42269, 45218, 84538, 113045, 211345, 226090, 422690, 972187, 1944374, 4860935, 9721870]

約数ペア:

[(1, 9721870), (2, 4860935), (5, 1944374), (10, 972187), (23, 422690), (43, 226090), (46, 211345), (86, 113045), (115, 84538), (215, 45218), (230, 42269), (430, 22609), (983, 9890), (989, 9830), (1966, 4945), (1978, 4915)]