19840304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 42288960

約数和(自身を除く): 22448656

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 811, 1112, 1529, 1622, 2224, 3058, 3244, 6116, 6488, 8921, 12232, 12976, 17842, 24464, 35684, 71368, 112729, 142736, 225458, 450916, 901832, 1240019, 1803664, 2480038, 4960076, 9920152, 19840304]

約数ペア:

[(1, 19840304), (2, 9920152), (4, 4960076), (8, 2480038), (11, 1803664), (16, 1240019), (22, 901832), (44, 450916), (88, 225458), (139, 142736), (176, 112729), (278, 71368), (556, 35684), (811, 24464), (1112, 17842), (1529, 12976), (1622, 12232), (2224, 8921), (3058, 6488), (3244, 6116)]