19220404

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 21905996

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 149, 238, 271, 298, 476, 542, 596, 1043, 1084, 1897, 2086, 2533, 3794, 4172, 4607, 5066, 7588, 9214, 10132, 17731, 18428, 32249, 35462, 40379, 64498, 70924, 80758, 128996, 161516, 282653, 565306, 686443, 1130612, 1372886, 2745772, 4805101, 9610202, 19220404]

約数ペア:

[(1, 19220404), (2, 9610202), (4, 4805101), (7, 2745772), (14, 1372886), (17, 1130612), (28, 686443), (34, 565306), (68, 282653), (119, 161516), (149, 128996), (238, 80758), (271, 70924), (298, 64498), (476, 40379), (542, 35462), (596, 32249), (1043, 18428), (1084, 17731), (1897, 10132), (2086, 9214), (2533, 7588), (3794, 5066), (4172, 4607)]