19792590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^2$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 50553072

約数和(自身を除く): 30760482

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 197, 255, 394, 510, 591, 985, 1182, 1970, 2955, 3349, 5910, 6698, 10047, 16745, 20094, 33490, 38809, 50235, 77618, 100470, 116427, 194045, 232854, 388090, 582135, 659753, 1164270, 1319506, 1979259, 3298765, 3958518, 6597530, 9896295, 19792590]

約数ペア:

[(1, 19792590), (2, 9896295), (3, 6597530), (5, 3958518), (6, 3298765), (10, 1979259), (15, 1319506), (17, 1164270), (30, 659753), (34, 582135), (51, 388090), (85, 232854), (102, 194045), (170, 116427), (197, 100470), (255, 77618), (394, 50235), (510, 38809), (591, 33490), (985, 20094), (1182, 16745), (1970, 10047), (2955, 6698), (3349, 5910)]