19490476

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 36480304

約数和(自身を除く): 16989828

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 151, 244, 302, 529, 604, 1058, 1403, 2116, 2806, 3473, 5612, 6946, 9211, 13892, 18422, 32269, 36844, 64538, 79879, 129076, 159758, 211853, 319516, 423706, 847412, 4872619, 9745238, 19490476]

約数ペア:

[(1, 19490476), (2, 9745238), (4, 4872619), (23, 847412), (46, 423706), (61, 319516), (92, 211853), (122, 159758), (151, 129076), (244, 79879), (302, 64538), (529, 36844), (604, 32269), (1058, 18422), (1403, 13892), (2116, 9211), (2806, 6946), (3473, 5612)]