19657554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5639}}^1$

素因数の和:5734

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 25823406

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 5639, 11278, 16917, 33834, 39473, 78946, 118419, 236838, 468037, 936074, 1404111, 2808222, 3276259, 6552518, 9828777, 19657554]

約数ペア:

[(1, 19657554), (2, 9828777), (3, 6552518), (6, 3276259), (7, 2808222), (14, 1404111), (21, 936074), (42, 468037), (83, 236838), (166, 118419), (249, 78946), (498, 39473), (581, 33834), (1162, 16917), (1743, 11278), (3486, 5639)]