19719568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5897}}^1$

素因数の和:5935

約数の個数: 40

約数和(自身を含む): 43881120

約数和(自身を除く): 24161552

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5897, 11794, 23588, 47176, 64867, 94352, 112043, 129734, 224086, 259468, 448172, 518936, 896344, 1037872, 1232473, 1792688, 2464946, 4929892, 9859784, 19719568]

約数ペア:

[(1, 19719568), (2, 9859784), (4, 4929892), (8, 2464946), (11, 1792688), (16, 1232473), (19, 1037872), (22, 896344), (38, 518936), (44, 448172), (76, 259468), (88, 224086), (152, 129734), (176, 112043), (209, 94352), (304, 64867), (418, 47176), (836, 23588), (1672, 11794), (3344, 5897)]