19500420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7927}}^1$

素因数の和:7980

約数の個数: 48

約数和(自身を含む): 55939968

約数和(自身を除く): 36439548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7927, 15854, 23781, 31708, 39635, 47562, 79270, 95124, 118905, 158540, 237810, 325007, 475620, 650014, 975021, 1300028, 1625035, 1950042, 3250070, 3900084, 4875105, 6500140, 9750210, 19500420]

約数ペア:

[(1, 19500420), (2, 9750210), (3, 6500140), (4, 4875105), (5, 3900084), (6, 3250070), (10, 1950042), (12, 1625035), (15, 1300028), (20, 975021), (30, 650014), (41, 475620), (60, 325007), (82, 237810), (123, 158540), (164, 118905), (205, 95124), (246, 79270), (410, 47562), (492, 39635), (615, 31708), (820, 23781), (1230, 15854), (2460, 7927)]