19430110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1409}}^1$

素因数の和:1620

約数の個数: 32

約数和(自身を含む): 40201920

約数和(自身を除く): 20771810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1409, 1970, 2758, 2818, 6895, 7045, 9863, 13790, 14090, 19726, 49315, 98630, 277573, 555146, 1387865, 1943011, 2775730, 3886022, 9715055, 19430110]

約数ペア:

[(1, 19430110), (2, 9715055), (5, 3886022), (7, 2775730), (10, 1943011), (14, 1387865), (35, 555146), (70, 277573), (197, 98630), (394, 49315), (985, 19726), (1379, 14090), (1409, 13790), (1970, 9863), (2758, 7045), (2818, 6895)]