198919638

素因数分解:

$2^1\times 3^4\times {\mathrm{313}}^1\times {\mathrm{3923}}^1$

素因数の和:4250

約数の個数: 40

約数和(自身を含む): 447265368

約数和(自身を除く): 248345730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 313, 626, 939, 1878, 2817, 3923, 5634, 7846, 8451, 11769, 16902, 23538, 25353, 35307, 50706, 70614, 105921, 211842, 317763, 635526, 1227899, 2455798, 3683697, 7367394, 11051091, 22102182, 33153273, 66306546, 99459819, 198919638]

約数ペア:

[(1, 198919638), (2, 99459819), (3, 66306546), (6, 33153273), (9, 22102182), (18, 11051091), (27, 7367394), (54, 3683697), (81, 2455798), (162, 1227899), (313, 635526), (626, 317763), (939, 211842), (1878, 105921), (2817, 70614), (3923, 50706), (5634, 35307), (7846, 25353), (8451, 23538), (11769, 16902)]