19787502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11491}}^1$

素因数の和:11544

約数の個数: 32

約数和(自身を含む): 46335744

約数和(自身を除く): 26548242

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 11491, 22982, 34473, 68946, 80437, 160874, 241311, 471131, 482622, 942262, 1413393, 2826786, 3297917, 6595834, 9893751, 19787502]

約数ペア:

[(1, 19787502), (2, 9893751), (3, 6595834), (6, 3297917), (7, 2826786), (14, 1413393), (21, 942262), (41, 482622), (42, 471131), (82, 241311), (123, 160874), (246, 80437), (287, 68946), (574, 34473), (861, 22982), (1722, 11491)]