19147436

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 43436736

約数和(自身を除く): 24289300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 83, 98, 107, 154, 166, 196, 214, 308, 332, 428, 539, 581, 749, 913, 1078, 1162, 1177, 1498, 1826, 2156, 2324, 2354, 2996, 3652, 4067, 4708, 5243, 6391, 8134, 8239, 8881, 10486, 12782, 16268, 16478, 17762, 20972, 25564, 32956, 35524, 44737, 57673, 62167, 89474, 97691, 115346, 124334, 178948, 195382, 230692, 248668, 390764, 435169, 683837, 870338, 1367674, 1740676, 2735348, 4786859, 9573718, 19147436]

約数ペア:

[(1, 19147436), (2, 9573718), (4, 4786859), (7, 2735348), (11, 1740676), (14, 1367674), (22, 870338), (28, 683837), (44, 435169), (49, 390764), (77, 248668), (83, 230692), (98, 195382), (107, 178948), (154, 124334), (166, 115346), (196, 97691), (214, 89474), (308, 62167), (332, 57673), (428, 44737), (539, 35524), (581, 32956), (749, 25564), (913, 20972), (1078, 17762), (1162, 16478), (1177, 16268), (1498, 12782), (1826, 10486), (2156, 8881), (2324, 8239), (2354, 8134), (2996, 6391), (3652, 5243), (4067, 4708)]