18266790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 46886400

約数和(自身を除く): 28619610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 439, 570, 730, 878, 1095, 1317, 1387, 2190, 2195, 2634, 2774, 4161, 4390, 6585, 6935, 8322, 8341, 13170, 13870, 16682, 20805, 25023, 32047, 41610, 41705, 50046, 64094, 83410, 96141, 125115, 160235, 192282, 250230, 320470, 480705, 608893, 961410, 1217786, 1826679, 3044465, 3653358, 6088930, 9133395, 18266790]

約数ペア:

[(1, 18266790), (2, 9133395), (3, 6088930), (5, 3653358), (6, 3044465), (10, 1826679), (15, 1217786), (19, 961410), (30, 608893), (38, 480705), (57, 320470), (73, 250230), (95, 192282), (114, 160235), (146, 125115), (190, 96141), (219, 83410), (285, 64094), (365, 50046), (438, 41705), (439, 41610), (570, 32047), (730, 25023), (878, 20805), (1095, 16682), (1317, 13870), (1387, 13170), (2190, 8341), (2195, 8322), (2634, 6935), (2774, 6585), (4161, 4390)]