19158356

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21484204

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 419, 497, 644, 838, 994, 1633, 1676, 1988, 2933, 3266, 5866, 6532, 9637, 11431, 11732, 19274, 22862, 29749, 38548, 45724, 59498, 67459, 118996, 134918, 208243, 269836, 416486, 684227, 832972, 1368454, 2736908, 4789589, 9579178, 19158356]

約数ペア:

[(1, 19158356), (2, 9579178), (4, 4789589), (7, 2736908), (14, 1368454), (23, 832972), (28, 684227), (46, 416486), (71, 269836), (92, 208243), (142, 134918), (161, 118996), (284, 67459), (322, 59498), (419, 45724), (497, 38548), (644, 29749), (838, 22862), (994, 19274), (1633, 11732), (1676, 11431), (1988, 9637), (2933, 6532), (3266, 5866)]