17894690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 37001664

約数和(自身を除く): 19106974

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 643, 1210, 1265, 1286, 2530, 2783, 3215, 5566, 6430, 7073, 13915, 14146, 14789, 27830, 29578, 35365, 70730, 73945, 77803, 147890, 155606, 162679, 325358, 389015, 778030, 813395, 1626790, 1789469, 3578938, 8947345, 17894690]

約数ペア:

[(1, 17894690), (2, 8947345), (5, 3578938), (10, 1789469), (11, 1626790), (22, 813395), (23, 778030), (46, 389015), (55, 325358), (110, 162679), (115, 155606), (121, 147890), (230, 77803), (242, 73945), (253, 70730), (506, 35365), (605, 29578), (643, 27830), (1210, 14789), (1265, 14146), (1286, 13915), (2530, 7073), (2783, 6430), (3215, 5566)]