19298818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 17144702

約数列:

[1, 2, 7, 11, 14, 22, 77, 113, 154, 226, 791, 1109, 1243, 1582, 2218, 2486, 7763, 8701, 12199, 15526, 17402, 24398, 85393, 125317, 170786, 250634, 877219, 1378487, 1754438, 2756974, 9649409, 19298818]

約数ペア:

[(1, 19298818), (2, 9649409), (7, 2756974), (11, 1754438), (14, 1378487), (22, 877219), (77, 250634), (113, 170786), (154, 125317), (226, 85393), (791, 24398), (1109, 17402), (1243, 15526), (1582, 12199), (2218, 8701), (2486, 7763)]