19325748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 50459808

約数和(自身を除く): 31134060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 67, 78, 86, 129, 134, 156, 172, 201, 258, 268, 402, 516, 559, 804, 871, 1118, 1677, 1742, 1849, 2236, 2613, 2881, 3354, 3484, 3698, 5226, 5547, 5762, 6708, 7396, 8643, 10452, 11094, 11524, 17286, 22188, 24037, 34572, 37453, 48074, 72111, 74906, 96148, 112359, 123883, 144222, 149812, 224718, 247766, 288444, 371649, 449436, 495532, 743298, 1486596, 1610479, 3220958, 4831437, 6441916, 9662874, 19325748]

約数ペア:

[(1, 19325748), (2, 9662874), (3, 6441916), (4, 4831437), (6, 3220958), (12, 1610479), (13, 1486596), (26, 743298), (39, 495532), (43, 449436), (52, 371649), (67, 288444), (78, 247766), (86, 224718), (129, 149812), (134, 144222), (156, 123883), (172, 112359), (201, 96148), (258, 74906), (268, 72111), (402, 48074), (516, 37453), (559, 34572), (804, 24037), (871, 22188), (1118, 17286), (1677, 11524), (1742, 11094), (1849, 10452), (2236, 8643), (2613, 7396), (2881, 6708), (3354, 5762), (3484, 5547), (3698, 5226)]