19712909172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1\times {\mathrm{2797}}^1$

素因数の和:3421

約数の個数: 96

約数和(自身を含む): 50766912000

約数和(自身を除く): 31054002828

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 107, 132, 214, 321, 428, 499, 642, 998, 1177, 1284, 1497, 1996, 2354, 2797, 2994, 3531, 4708, 5489, 5594, 5988, 7062, 8391, 10978, 11188, 14124, 16467, 16782, 21956, 30767, 32934, 33564, 53393, 61534, 65868, 92301, 106786, 123068, 160179, 184602, 213572, 299279, 320358, 369204, 587323, 598558, 640716, 897837, 1174646, 1197116, 1395703, 1761969, 1795674, 2349292, 2791406, 3292069, 3523938, 3591348, 4187109, 5582812, 6584138, 7047876, 8374218, 9876207, 13168276, 15352733, 16748436, 19752414, 30705466, 39504828, 46058199, 61410932, 92116398, 149340221, 184232796, 298680442, 448020663, 597360884, 896041326, 1642742431, 1792082652, 3285484862, 4928227293, 6570969724, 9856454586, 19712909172]

約数ペア:

[(1, 19712909172), (2, 9856454586), (3, 6570969724), (4, 4928227293), (6, 3285484862), (11, 1792082652), (12, 1642742431), (22, 896041326), (33, 597360884), (44, 448020663), (66, 298680442), (107, 184232796), (132, 149340221), (214, 92116398), (321, 61410932), (428, 46058199), (499, 39504828), (642, 30705466), (998, 19752414), (1177, 16748436), (1284, 15352733), (1497, 13168276), (1996, 9876207), (2354, 8374218), (2797, 7047876), (2994, 6584138), (3531, 5582812), (4708, 4187109), (5489, 3591348), (5594, 3523938), (5988, 3292069), (7062, 2791406), (8391, 2349292), (10978, 1795674), (11188, 1761969), (14124, 1395703), (16467, 1197116), (16782, 1174646), (21956, 897837), (30767, 640716), (32934, 598558), (33564, 587323), (53393, 369204), (61534, 320358), (65868, 299279), (92301, 213572), (106786, 184602), (123068, 160179)]