18044015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 7668625

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 557, 589, 1045, 1705, 2785, 2945, 6127, 6479, 10583, 17267, 30635, 32395, 52915, 86335, 116413, 189937, 328073, 582065, 949685, 1640365, 3608803, 18044015]

約数ペア:

[(1, 18044015), (5, 3608803), (11, 1640365), (19, 949685), (31, 582065), (55, 328073), (95, 189937), (155, 116413), (209, 86335), (341, 52915), (557, 32395), (589, 30635), (1045, 17267), (1705, 10583), (2785, 6479), (2945, 6127)]