18038410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 37699200

約数和(自身を除く): 19660790

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 109, 130, 134, 190, 218, 247, 335, 494, 545, 670, 871, 1090, 1235, 1273, 1417, 1742, 2071, 2470, 2546, 2834, 4142, 4355, 6365, 7085, 7303, 8710, 10355, 12730, 14170, 14606, 16549, 20710, 26923, 33098, 36515, 53846, 73030, 82745, 94939, 134615, 138757, 165490, 189878, 269230, 277514, 474695, 693785, 949390, 1387570, 1803841, 3607682, 9019205, 18038410]

約数ペア:

[(1, 18038410), (2, 9019205), (5, 3607682), (10, 1803841), (13, 1387570), (19, 949390), (26, 693785), (38, 474695), (65, 277514), (67, 269230), (95, 189878), (109, 165490), (130, 138757), (134, 134615), (190, 94939), (218, 82745), (247, 73030), (335, 53846), (494, 36515), (545, 33098), (670, 26923), (871, 20710), (1090, 16549), (1235, 14606), (1273, 14170), (1417, 12730), (1742, 10355), (2071, 8710), (2470, 7303), (2546, 7085), (2834, 6365), (4142, 4355)]