19902352

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{727}}^1$

素因数の和:823

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 20720048

約数列:

[1, 2, 4, 8, 16, 29, 58, 59, 116, 118, 232, 236, 464, 472, 727, 944, 1454, 1711, 2908, 3422, 5816, 6844, 11632, 13688, 21083, 27376, 42166, 42893, 84332, 85786, 168664, 171572, 337328, 343144, 686288, 1243897, 2487794, 4975588, 9951176, 19902352]

約数ペア:

[(1, 19902352), (2, 9951176), (4, 4975588), (8, 2487794), (16, 1243897), (29, 686288), (58, 343144), (59, 337328), (116, 171572), (118, 168664), (232, 85786), (236, 84332), (464, 42893), (472, 42166), (727, 27376), (944, 21083), (1454, 13688), (1711, 11632), (2908, 6844), (3422, 5816)]