19527706

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 35239680

約数和(自身を除く): 15711974

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 121, 137, 209, 242, 274, 341, 418, 589, 682, 1178, 1507, 2299, 2603, 3014, 3751, 4247, 4598, 5206, 6479, 7502, 8494, 12958, 16577, 28633, 33154, 46717, 57266, 71269, 80693, 93434, 142538, 161386, 314963, 513887, 629926, 887623, 1027774, 1775246, 9763853, 19527706]

約数ペア:

[(1, 19527706), (2, 9763853), (11, 1775246), (19, 1027774), (22, 887623), (31, 629926), (38, 513887), (62, 314963), (121, 161386), (137, 142538), (209, 93434), (242, 80693), (274, 71269), (341, 57266), (418, 46717), (589, 33154), (682, 28633), (1178, 16577), (1507, 12958), (2299, 8494), (2603, 7502), (3014, 6479), (3751, 5206), (4247, 4598)]