19514144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 42106680

約数和(自身を除く): 22592536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 769, 793, 976, 1538, 1586, 1952, 3076, 3172, 6152, 6344, 9997, 12304, 12688, 19994, 24608, 25376, 39988, 46909, 79976, 93818, 159952, 187636, 319904, 375272, 609817, 750544, 1219634, 1501088, 2439268, 4878536, 9757072, 19514144]

約数ペア:

[(1, 19514144), (2, 9757072), (4, 4878536), (8, 2439268), (13, 1501088), (16, 1219634), (26, 750544), (32, 609817), (52, 375272), (61, 319904), (104, 187636), (122, 159952), (208, 93818), (244, 79976), (416, 46909), (488, 39988), (769, 25376), (793, 24608), (976, 19994), (1538, 12688), (1586, 12304), (1952, 9997), (3076, 6344), (3172, 6152)]