18487792

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{12983}}^1$

素因数の和:13080

約数の個数: 20

約数和(自身を含む): 36225360

約数和(自身を除く): 17737568

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 12983, 25966, 51932, 103864, 207728, 1155487, 2310974, 4621948, 9243896, 18487792]

約数ペア:

[(1, 18487792), (2, 9243896), (4, 4621948), (8, 2310974), (16, 1155487), (89, 207728), (178, 103864), (356, 51932), (712, 25966), (1424, 12983)]