17873870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21524530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 151, 178, 190, 266, 302, 445, 623, 665, 755, 890, 1057, 1246, 1330, 1510, 1691, 2114, 2869, 3115, 3382, 5285, 5738, 6230, 8455, 10570, 11837, 13439, 14345, 16910, 20083, 23674, 26878, 28690, 40166, 59185, 67195, 94073, 100415, 118370, 134390, 188146, 200830, 255341, 470365, 510682, 940730, 1276705, 1787387, 2553410, 3574774, 8936935, 17873870]

約数ペア:

[(1, 17873870), (2, 8936935), (5, 3574774), (7, 2553410), (10, 1787387), (14, 1276705), (19, 940730), (35, 510682), (38, 470365), (70, 255341), (89, 200830), (95, 188146), (133, 134390), (151, 118370), (178, 100415), (190, 94073), (266, 67195), (302, 59185), (445, 40166), (623, 28690), (665, 26878), (755, 23674), (890, 20083), (1057, 16910), (1246, 14345), (1330, 13439), (1510, 11837), (1691, 10570), (2114, 8455), (2869, 6230), (3115, 5738), (3382, 5285)]