19824748

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 18479252

約数列:

[1, 2, 4, 29, 31, 37, 58, 62, 74, 116, 124, 148, 149, 298, 596, 899, 1073, 1147, 1798, 2146, 2294, 3596, 4292, 4321, 4588, 4619, 5513, 8642, 9238, 11026, 17284, 18476, 22052, 33263, 66526, 133052, 133951, 159877, 170903, 267902, 319754, 341806, 535804, 639508, 683612, 4956187, 9912374, 19824748]

約数ペア:

[(1, 19824748), (2, 9912374), (4, 4956187), (29, 683612), (31, 639508), (37, 535804), (58, 341806), (62, 319754), (74, 267902), (116, 170903), (124, 159877), (148, 133951), (149, 133052), (298, 66526), (596, 33263), (899, 22052), (1073, 18476), (1147, 17284), (1798, 11026), (2146, 9238), (2294, 8642), (3596, 5513), (4292, 4619), (4321, 4588)]