19690896

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 54907200

約数和(自身を除く): 35216304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 59, 68, 102, 118, 136, 177, 204, 236, 272, 354, 408, 409, 472, 708, 816, 818, 944, 1003, 1227, 1416, 1636, 2006, 2454, 2832, 3009, 3272, 4012, 4908, 6018, 6544, 6953, 8024, 9816, 12036, 13906, 16048, 19632, 20859, 24072, 24131, 27812, 41718, 48144, 48262, 55624, 72393, 83436, 96524, 111248, 144786, 166872, 193048, 289572, 333744, 386096, 410227, 579144, 820454, 1158288, 1230681, 1640908, 2461362, 3281816, 4922724, 6563632, 9845448, 19690896]

約数ペア:

[(1, 19690896), (2, 9845448), (3, 6563632), (4, 4922724), (6, 3281816), (8, 2461362), (12, 1640908), (16, 1230681), (17, 1158288), (24, 820454), (34, 579144), (48, 410227), (51, 386096), (59, 333744), (68, 289572), (102, 193048), (118, 166872), (136, 144786), (177, 111248), (204, 96524), (236, 83436), (272, 72393), (354, 55624), (408, 48262), (409, 48144), (472, 41718), (708, 27812), (816, 24131), (818, 24072), (944, 20859), (1003, 19632), (1227, 16048), (1416, 13906), (1636, 12036), (2006, 9816), (2454, 8024), (2832, 6953), (3009, 6544), (3272, 6018), (4012, 4908)]