19963304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 39868200

約数和(自身を除く): 19904896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 458, 641, 916, 1282, 1832, 2564, 3893, 5128, 7786, 10897, 15572, 21794, 31144, 43588, 87176, 146789, 293578, 587156, 1174312, 2495413, 4990826, 9981652, 19963304]

約数ペア:

[(1, 19963304), (2, 9981652), (4, 4990826), (8, 2495413), (17, 1174312), (34, 587156), (68, 293578), (136, 146789), (229, 87176), (458, 43588), (641, 31144), (916, 21794), (1282, 15572), (1832, 10897), (2564, 7786), (3893, 5128)]