19927154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 14425486

約数列:

[1, 2, 13, 23, 26, 46, 47, 94, 299, 598, 611, 709, 1081, 1222, 1418, 2162, 9217, 14053, 16307, 18434, 28106, 32614, 33323, 66646, 211991, 423982, 433199, 766429, 866398, 1532858, 9963577, 19927154]

約数ペア:

[(1, 19927154), (2, 9963577), (13, 1532858), (23, 866398), (26, 766429), (46, 433199), (47, 423982), (94, 211991), (299, 66646), (598, 33323), (611, 32614), (709, 28106), (1081, 18434), (1222, 16307), (1418, 14053), (2162, 9217)]