19426778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 35328000

約数和(自身を除く): 15901222

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 367, 398, 734, 1393, 2569, 2786, 3781, 5138, 6973, 7562, 13946, 26467, 48811, 52934, 73033, 97622, 146066, 511231, 1022462, 1387627, 2775254, 9713389, 19426778]

約数ペア:

[(1, 19426778), (2, 9713389), (7, 2775254), (14, 1387627), (19, 1022462), (38, 511231), (133, 146066), (199, 97622), (266, 73033), (367, 52934), (398, 48811), (734, 26467), (1393, 13946), (2569, 7562), (2786, 6973), (3781, 5138)]