19475228

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13487}}^1$

素因数の和:13529

約数の個数: 18

約数和(自身を含む): 35972496

約数和(自身を除く): 16497268

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13487, 26974, 53948, 256253, 512506, 1025012, 4868807, 9737614, 19475228]

約数ペア:

[(1, 19475228), (2, 9737614), (4, 4868807), (19, 1025012), (38, 512506), (76, 256253), (361, 53948), (722, 26974), (1444, 13487)]