18829000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 46425600

約数和(自身を除く): 27596600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 991, 1000, 1900, 1982, 2375, 3800, 3964, 4750, 4955, 7928, 9500, 9910, 18829, 19000, 19820, 24775, 37658, 39640, 49550, 75316, 94145, 99100, 123875, 150632, 188290, 198200, 247750, 376580, 470725, 495500, 753160, 941450, 991000, 1882900, 2353625, 3765800, 4707250, 9414500, 18829000]

約数ペア:

[(1, 18829000), (2, 9414500), (4, 4707250), (5, 3765800), (8, 2353625), (10, 1882900), (19, 991000), (20, 941450), (25, 753160), (38, 495500), (40, 470725), (50, 376580), (76, 247750), (95, 198200), (100, 188290), (125, 150632), (152, 123875), (190, 99100), (200, 94145), (250, 75316), (380, 49550), (475, 39640), (500, 37658), (760, 24775), (950, 19820), (991, 19000), (1000, 18829), (1900, 9910), (1982, 9500), (2375, 7928), (3800, 4955), (3964, 4750)]