19490500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{2293}}^1$

素因数の和:2329

約数の個数: 48

約数和(自身を含む): 45090864

約数和(自身を除く): 25600364

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 1700, 2125, 2293, 4250, 4586, 8500, 9172, 11465, 22930, 38981, 45860, 57325, 77962, 114650, 155924, 194905, 229300, 286625, 389810, 573250, 779620, 974525, 1146500, 1949050, 3898100, 4872625, 9745250, 19490500]

約数ペア:

[(1, 19490500), (2, 9745250), (4, 4872625), (5, 3898100), (10, 1949050), (17, 1146500), (20, 974525), (25, 779620), (34, 573250), (50, 389810), (68, 286625), (85, 229300), (100, 194905), (125, 155924), (170, 114650), (250, 77962), (340, 57325), (425, 45860), (500, 38981), (850, 22930), (1700, 11465), (2125, 9172), (2293, 8500), (4250, 4586)]