19215610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 37687320

約数和(自身を除く): 18471710

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 109, 122, 170, 218, 289, 305, 545, 578, 610, 1037, 1090, 1445, 1853, 2074, 2890, 3706, 5185, 6649, 9265, 10370, 13298, 17629, 18530, 31501, 33245, 35258, 63002, 66490, 88145, 113033, 157505, 176290, 226066, 315010, 565165, 1130330, 1921561, 3843122, 9607805, 19215610]

約数ペア:

[(1, 19215610), (2, 9607805), (5, 3843122), (10, 1921561), (17, 1130330), (34, 565165), (61, 315010), (85, 226066), (109, 176290), (122, 157505), (170, 113033), (218, 88145), (289, 66490), (305, 63002), (545, 35258), (578, 33245), (610, 31501), (1037, 18530), (1090, 17629), (1445, 13298), (1853, 10370), (2074, 9265), (2890, 6649), (3706, 5185)]