19815136

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1435

約数の個数: 48

約数和(自身を含む): 43627248

約数和(自身を除く): 23812112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 164, 176, 328, 352, 451, 656, 902, 1312, 1373, 1804, 2746, 3608, 5492, 7216, 10984, 14432, 15103, 21968, 30206, 43936, 56293, 60412, 112586, 120824, 225172, 241648, 450344, 483296, 619223, 900688, 1238446, 1801376, 2476892, 4953784, 9907568, 19815136]

約数ペア:

[(1, 19815136), (2, 9907568), (4, 4953784), (8, 2476892), (11, 1801376), (16, 1238446), (22, 900688), (32, 619223), (41, 483296), (44, 450344), (82, 241648), (88, 225172), (164, 120824), (176, 112586), (328, 60412), (352, 56293), (451, 43936), (656, 30206), (902, 21968), (1312, 15103), (1373, 14432), (1804, 10984), (2746, 7216), (3608, 5492)]