16919120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11131}}^1$

素因数の和:11163

約数の個数: 40

約数和(自身を含む): 41411040

約数和(自身を除く): 24491920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11131, 22262, 44524, 55655, 89048, 111310, 178096, 211489, 222620, 422978, 445240, 845956, 890480, 1057445, 1691912, 2114890, 3383824, 4229780, 8459560, 16919120]

約数ペア:

[(1, 16919120), (2, 8459560), (4, 4229780), (5, 3383824), (8, 2114890), (10, 1691912), (16, 1057445), (19, 890480), (20, 845956), (38, 445240), (40, 422978), (76, 222620), (80, 211489), (95, 178096), (152, 111310), (190, 89048), (304, 55655), (380, 44524), (760, 22262), (1520, 11131)]