18804933868

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{727}}^1\times {\mathrm{2647}}^1$

素因数の和:3734

約数の個数: 48

約数和(自身を含む): 37783782400

約数和(自身を除く): 18978848532

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 727, 1396, 1454, 2443, 2647, 2908, 4886, 5089, 5294, 9772, 10178, 10588, 18529, 20356, 37058, 74116, 253723, 507446, 923803, 1014892, 1776061, 1847606, 1924369, 3552122, 3695212, 3848738, 6466621, 7104244, 7697476, 12933242, 13470583, 25866484, 26941166, 53882332, 671604781, 1343209562, 2686419124, 4701233467, 9402466934, 18804933868]

約数ペア:

[(1, 18804933868), (2, 9402466934), (4, 4701233467), (7, 2686419124), (14, 1343209562), (28, 671604781), (349, 53882332), (698, 26941166), (727, 25866484), (1396, 13470583), (1454, 12933242), (2443, 7697476), (2647, 7104244), (2908, 6466621), (4886, 3848738), (5089, 3695212), (5294, 3552122), (9772, 1924369), (10178, 1847606), (10588, 1776061), (18529, 1014892), (20356, 923803), (37058, 507446), (74116, 253723)]