18862180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 43409520

約数和(自身を除く): 24547340

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1913, 1972, 2465, 3826, 4930, 7652, 9565, 9860, 19130, 32521, 38260, 55477, 65042, 110954, 130084, 162605, 221908, 277385, 325210, 554770, 650420, 943109, 1109540, 1886218, 3772436, 4715545, 9431090, 18862180]

約数ペア:

[(1, 18862180), (2, 9431090), (4, 4715545), (5, 3772436), (10, 1886218), (17, 1109540), (20, 943109), (29, 650420), (34, 554770), (58, 325210), (68, 277385), (85, 221908), (116, 162605), (145, 130084), (170, 110954), (290, 65042), (340, 55477), (493, 38260), (580, 32521), (986, 19130), (1913, 9860), (1972, 9565), (2465, 7652), (3826, 4930)]