2009553964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{4151971}}^1$

素因数の和:4151997

約数の個数: 18

約数和(自身を含む): 3865485932

約数和(自身を除く): 1855931968

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 4151971, 8303942, 16607884, 45671681, 91343362, 182686724, 502388491, 1004776982, 2009553964]

約数ペア:

[(1, 2009553964), (2, 1004776982), (4, 502388491), (11, 182686724), (22, 91343362), (44, 45671681), (121, 16607884), (242, 8303942), (484, 4151971)]