19067728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1115

約数の個数: 40

約数和(自身を含む): 39203840

約数和(自身を除く): 20136112

約数列:

[1, 2, 4, 8, 16, 31, 37, 62, 74, 124, 148, 248, 296, 496, 592, 1039, 1147, 2078, 2294, 4156, 4588, 8312, 9176, 16624, 18352, 32209, 38443, 64418, 76886, 128836, 153772, 257672, 307544, 515344, 615088, 1191733, 2383466, 4766932, 9533864, 19067728]

約数ペア:

[(1, 19067728), (2, 9533864), (4, 4766932), (8, 2383466), (16, 1191733), (31, 615088), (37, 515344), (62, 307544), (74, 257672), (124, 153772), (148, 128836), (248, 76886), (296, 64418), (496, 38443), (592, 32209), (1039, 18352), (1147, 16624), (2078, 9176), (2294, 8312), (4156, 4588)]