18887672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 37491600

約数和(自身を除く): 18603928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 313, 397, 626, 794, 1252, 1588, 2504, 3176, 5947, 7543, 11894, 15086, 23788, 30172, 47576, 60344, 124261, 248522, 497044, 994088, 2360959, 4721918, 9443836, 18887672]

約数ペア:

[(1, 18887672), (2, 9443836), (4, 4721918), (8, 2360959), (19, 994088), (38, 497044), (76, 248522), (152, 124261), (313, 60344), (397, 47576), (626, 30172), (794, 23788), (1252, 15086), (1588, 11894), (2504, 7543), (3176, 5947)]