19211900540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{176159}}^1$

素因数の和:176235

約数の個数: 96

約数和(自身を含む): 49719398400

約数和(自身を除く): 30507497860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 70, 76, 82, 95, 133, 140, 164, 190, 205, 266, 287, 380, 410, 532, 574, 665, 779, 820, 1148, 1330, 1435, 1558, 2660, 2870, 3116, 3895, 5453, 5740, 7790, 10906, 15580, 21812, 27265, 54530, 109060, 176159, 352318, 704636, 880795, 1233113, 1761590, 2466226, 3347021, 3523180, 4932452, 6165565, 6694042, 7222519, 12331130, 13388084, 14445038, 16735105, 23429147, 24662260, 28890076, 33470210, 36112595, 46858294, 50557633, 66940420, 72225190, 93716588, 101115266, 117145735, 137227861, 144450380, 202230532, 234291470, 252788165, 274455722, 468582940, 505576330, 548911444, 686139305, 960595027, 1011152660, 1372278610, 1921190054, 2744557220, 3842380108, 4802975135, 9605950270, 19211900540]

約数ペア:

[(1, 19211900540), (2, 9605950270), (4, 4802975135), (5, 3842380108), (7, 2744557220), (10, 1921190054), (14, 1372278610), (19, 1011152660), (20, 960595027), (28, 686139305), (35, 548911444), (38, 505576330), (41, 468582940), (70, 274455722), (76, 252788165), (82, 234291470), (95, 202230532), (133, 144450380), (140, 137227861), (164, 117145735), (190, 101115266), (205, 93716588), (266, 72225190), (287, 66940420), (380, 50557633), (410, 46858294), (532, 36112595), (574, 33470210), (665, 28890076), (779, 24662260), (820, 23429147), (1148, 16735105), (1330, 14445038), (1435, 13388084), (1558, 12331130), (2660, 7222519), (2870, 6694042), (3116, 6165565), (3895, 4932452), (5453, 3523180), (5740, 3347021), (7790, 2466226), (10906, 1761590), (15580, 1233113), (21812, 880795), (27265, 704636), (54530, 352318), (109060, 176159)]