9919888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 21159360

約数和(自身を除く): 11239472

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 359, 628, 718, 1256, 1436, 1727, 2512, 2872, 3454, 3949, 5744, 6908, 7898, 13816, 15796, 27632, 31592, 56363, 63184, 112726, 225452, 450904, 619993, 901808, 1239986, 2479972, 4959944, 9919888]

約数ペア:

[(1, 9919888), (2, 4959944), (4, 2479972), (8, 1239986), (11, 901808), (16, 619993), (22, 450904), (44, 225452), (88, 112726), (157, 63184), (176, 56363), (314, 31592), (359, 27632), (628, 15796), (718, 13816), (1256, 7898), (1436, 6908), (1727, 5744), (2512, 3949), (2872, 3454)]