19429564

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 42739200

約数和(自身を除く): 23309636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 308, 317, 398, 634, 796, 1268, 1393, 2189, 2219, 2786, 3487, 4378, 4438, 5572, 6974, 8756, 8876, 13948, 15323, 24409, 30646, 48818, 61292, 63083, 97636, 126166, 252332, 441581, 693913, 883162, 1387826, 1766324, 2775652, 4857391, 9714782, 19429564]

約数ペア:

[(1, 19429564), (2, 9714782), (4, 4857391), (7, 2775652), (11, 1766324), (14, 1387826), (22, 883162), (28, 693913), (44, 441581), (77, 252332), (154, 126166), (199, 97636), (308, 63083), (317, 61292), (398, 48818), (634, 30646), (796, 24409), (1268, 15323), (1393, 13948), (2189, 8876), (2219, 8756), (2786, 6974), (3487, 5572), (4378, 4438)]