19938961510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6668549}}^1$

素因数の和:6668592

約数の個数: 32

約数和(自身を含む): 40331390400

約数和(自身を除く): 20392428890

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 6668549, 13337098, 33342745, 66685490, 86691137, 153376627, 173382274, 306753254, 433455685, 766883135, 866911370, 1533766270, 1993896151, 3987792302, 9969480755, 19938961510]

約数ペア:

[(1, 19938961510), (2, 9969480755), (5, 3987792302), (10, 1993896151), (13, 1533766270), (23, 866911370), (26, 766883135), (46, 433455685), (65, 306753254), (115, 173382274), (130, 153376627), (230, 86691137), (299, 66685490), (598, 33342745), (1495, 13337098), (2990, 6668549)]