18943659

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 13450581

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 887, 1017, 2373, 2661, 3051, 6209, 7119, 7983, 18627, 21357, 23949, 55881, 100231, 167643, 300693, 701617, 902079, 2104851, 2706237, 6314553, 18943659]

約数ペア:

[(1, 18943659), (3, 6314553), (7, 2706237), (9, 2104851), (21, 902079), (27, 701617), (63, 300693), (113, 167643), (189, 100231), (339, 55881), (791, 23949), (887, 21357), (1017, 18627), (2373, 7983), (2661, 7119), (3051, 6209)]