19919042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 35368704

約数和(自身を除く): 15449662

約数列:

[1, 2, 11, 13, 22, 26, 143, 257, 271, 286, 514, 542, 2827, 2981, 3341, 3523, 5654, 5962, 6682, 7046, 36751, 38753, 69647, 73502, 77506, 139294, 766117, 905411, 1532234, 1810822, 9959521, 19919042]

約数ペア:

[(1, 19919042), (2, 9959521), (11, 1810822), (13, 1532234), (22, 905411), (26, 766117), (143, 139294), (257, 77506), (271, 73502), (286, 69647), (514, 38753), (542, 36751), (2827, 7046), (2981, 6682), (3341, 5962), (3523, 5654)]