19947804

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{16139}}^1$

素因数の和:16249

約数の個数: 24

約数和(自身を含む): 46999680

約数和(自身を除く): 27051876

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 16139, 32278, 48417, 64556, 96834, 193668, 1662317, 3324634, 4986951, 6649268, 9973902, 19947804]

約数ペア:

[(1, 19947804), (2, 9973902), (3, 6649268), (4, 4986951), (6, 3324634), (12, 1662317), (103, 193668), (206, 96834), (309, 64556), (412, 48417), (618, 32278), (1236, 16139)]