19664982

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{29527}}^1$

素因数の和:29572

約数の個数: 24

約数和(自身を含む): 43760496

約数和(自身を除く): 24095514

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 29527, 59054, 88581, 177162, 265743, 531486, 1092499, 2184998, 3277497, 6554994, 9832491, 19664982]

約数ペア:

[(1, 19664982), (2, 9832491), (3, 6554994), (6, 3277497), (9, 2184998), (18, 1092499), (37, 531486), (74, 265743), (111, 177162), (222, 88581), (333, 59054), (666, 29527)]