19841276

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{599}}^1$

素因数の和:643

約数の個数: 54

約数和(自身を含む): 43810200

約数和(自身を除く): 23968924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 599, 637, 676, 1183, 1198, 1274, 2366, 2396, 2548, 4193, 4732, 7787, 8281, 8386, 15574, 16562, 16772, 29351, 31148, 33124, 54509, 58702, 101231, 109018, 117404, 202462, 218036, 381563, 404924, 708617, 763126, 1417234, 1526252, 2834468, 4960319, 9920638, 19841276]

約数ペア:

[(1, 19841276), (2, 9920638), (4, 4960319), (7, 2834468), (13, 1526252), (14, 1417234), (26, 763126), (28, 708617), (49, 404924), (52, 381563), (91, 218036), (98, 202462), (169, 117404), (182, 109018), (196, 101231), (338, 58702), (364, 54509), (599, 33124), (637, 31148), (676, 29351), (1183, 16772), (1198, 16562), (1274, 15574), (2366, 8386), (2396, 8281), (2548, 7787), (4193, 4732)]