19319249

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 20742720

約数和(自身を除く): 1423471

約数列:

[1, 29, 61, 67, 163, 1769, 1943, 4087, 4727, 9943, 10921, 118523, 288347, 316709, 666181, 19319249]

約数ペア:

[(1, 19319249), (29, 666181), (61, 316709), (67, 288347), (163, 118523), (1769, 10921), (1943, 9943), (4087, 4727)]