18733385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7393975

約数列:

[1, 5, 11, 23, 55, 59, 115, 251, 253, 295, 649, 1255, 1265, 1357, 2761, 3245, 5773, 6785, 13805, 14809, 14927, 28865, 63503, 74045, 74635, 162899, 317515, 340607, 814495, 1703035, 3746677, 18733385]

約数ペア:

[(1, 18733385), (5, 3746677), (11, 1703035), (23, 814495), (55, 340607), (59, 317515), (115, 162899), (251, 74635), (253, 74045), (295, 63503), (649, 28865), (1255, 14927), (1265, 14809), (1357, 13805), (2761, 6785), (3245, 5773)]