18820914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5399}}^1$

素因数の和:5494

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 24724686

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 83, 166, 249, 498, 581, 1162, 1743, 3486, 5399, 10798, 16197, 32394, 37793, 75586, 113379, 226758, 448117, 896234, 1344351, 2688702, 3136819, 6273638, 9410457, 18820914]

約数ペア:

[(1, 18820914), (2, 9410457), (3, 6273638), (6, 3136819), (7, 2688702), (14, 1344351), (21, 896234), (42, 448117), (83, 226758), (166, 113379), (249, 75586), (498, 37793), (581, 32394), (1162, 16197), (1743, 10798), (3486, 5399)]