19301479990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39041}}^1\times {\mathrm{3803}}^1$

素因数の和:42864

約数の個数: 32

約数和(自身を含む): 37425973536

約数和(自身を除く): 18124493546

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3803, 7606, 19015, 38030, 39041, 49439, 78082, 98878, 195205, 247195, 390410, 494390, 507533, 1015066, 2537665, 5075330, 148472923, 296945846, 742364615, 1484729230, 1930147999, 3860295998, 9650739995, 19301479990]

約数ペア:

[(1, 19301479990), (2, 9650739995), (5, 3860295998), (10, 1930147999), (13, 1484729230), (26, 742364615), (65, 296945846), (130, 148472923), (3803, 5075330), (7606, 2537665), (19015, 1015066), (38030, 507533), (39041, 494390), (49439, 390410), (78082, 247195), (98878, 195205)]