18813150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:546

約数の個数: 72

約数和(自身を含む): 51184224

約数和(自身を除く): 32371074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 150, 194, 225, 291, 431, 450, 485, 582, 862, 873, 970, 1293, 1455, 1746, 2155, 2425, 2586, 2910, 3879, 4310, 4365, 4850, 6465, 7275, 7758, 8730, 10775, 12930, 14550, 19395, 21550, 21825, 32325, 38790, 41807, 43650, 64650, 83614, 96975, 125421, 193950, 209035, 250842, 376263, 418070, 627105, 752526, 1045175, 1254210, 1881315, 2090350, 3135525, 3762630, 6271050, 9406575, 18813150]

約数ペア:

[(1, 18813150), (2, 9406575), (3, 6271050), (5, 3762630), (6, 3135525), (9, 2090350), (10, 1881315), (15, 1254210), (18, 1045175), (25, 752526), (30, 627105), (45, 418070), (50, 376263), (75, 250842), (90, 209035), (97, 193950), (150, 125421), (194, 96975), (225, 83614), (291, 64650), (431, 43650), (450, 41807), (485, 38790), (582, 32325), (862, 21825), (873, 21550), (970, 19395), (1293, 14550), (1455, 12930), (1746, 10775), (2155, 8730), (2425, 7758), (2586, 7275), (2910, 6465), (3879, 4850), (4310, 4365)]