19355973

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70901}}^1$

素因数の和:70924

約数の個数: 16

約数和(自身を含む): 31764096

約数和(自身を除く): 12408123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 70901, 212703, 496307, 921713, 1488921, 2765139, 6451991, 19355973]

約数ペア:

[(1, 19355973), (3, 6451991), (7, 2765139), (13, 1488921), (21, 921713), (39, 496307), (91, 212703), (273, 70901)]