19201424

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1479

約数の個数: 40

約数和(自身を含む): 41128320

約数和(自身を除く): 21926896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1381, 1738, 2762, 3476, 5524, 6952, 11048, 13904, 15191, 22096, 30382, 60764, 109099, 121528, 218198, 243056, 436396, 872792, 1200089, 1745584, 2400178, 4800356, 9600712, 19201424]

約数ペア:

[(1, 19201424), (2, 9600712), (4, 4800356), (8, 2400178), (11, 1745584), (16, 1200089), (22, 872792), (44, 436396), (79, 243056), (88, 218198), (158, 121528), (176, 109099), (316, 60764), (632, 30382), (869, 22096), (1264, 15191), (1381, 13904), (1738, 11048), (2762, 6952), (3476, 5524)]