19068220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3299}}^1$

素因数の和:3342

約数の個数: 36

約数和(自身を含む): 42550200

約数和(自身を除く): 23481980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3299, 5780, 6598, 13196, 16495, 32990, 56083, 65980, 112166, 224332, 280415, 560830, 953411, 1121660, 1906822, 3813644, 4767055, 9534110, 19068220]

約数ペア:

[(1, 19068220), (2, 9534110), (4, 4767055), (5, 3813644), (10, 1906822), (17, 1121660), (20, 953411), (34, 560830), (68, 280415), (85, 224332), (170, 112166), (289, 65980), (340, 56083), (578, 32990), (1156, 16495), (1445, 13196), (2890, 6598), (3299, 5780)]