18697623

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 29428224

約数和(自身を除く): 10730601

約数列:

[1, 3, 7, 21, 67, 97, 137, 201, 291, 411, 469, 679, 959, 1407, 2037, 2877, 6499, 9179, 13289, 19497, 27537, 39867, 45493, 64253, 93023, 136479, 192759, 279069, 890363, 2671089, 6232541, 18697623]

約数ペア:

[(1, 18697623), (3, 6232541), (7, 2671089), (21, 890363), (67, 279069), (97, 192759), (137, 136479), (201, 93023), (291, 64253), (411, 45493), (469, 39867), (679, 27537), (959, 19497), (1407, 13289), (2037, 9179), (2877, 6499)]