19988514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12203}}^1$

素因数の和:12231

約数の個数: 48

約数和(自身を含む): 53307072

約数和(自身を除く): 33318558

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12203, 24406, 36609, 73218, 85421, 109827, 158639, 170842, 219654, 256263, 317278, 475917, 512526, 768789, 951834, 1110473, 1427751, 1537578, 2220946, 2855502, 3331419, 6662838, 9994257, 19988514]

約数ペア:

[(1, 19988514), (2, 9994257), (3, 6662838), (6, 3331419), (7, 2855502), (9, 2220946), (13, 1537578), (14, 1427751), (18, 1110473), (21, 951834), (26, 768789), (39, 512526), (42, 475917), (63, 317278), (78, 256263), (91, 219654), (117, 170842), (126, 158639), (182, 109827), (234, 85421), (273, 73218), (546, 36609), (819, 24406), (1638, 12203)]