18988156677

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{344719}}^1$

素因数の和:344833

約数の個数: 32

約数和(自身を含む): 30092677120

約数和(自身を除く): 11104520443

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 427, 903, 1281, 2623, 7869, 18361, 55083, 344719, 1034157, 2413033, 7239099, 14822917, 21027859, 44468751, 63083577, 103760419, 147195013, 311281257, 441585039, 904197937, 2712593811, 6329385559, 18988156677]

約数ペア:

[(1, 18988156677), (3, 6329385559), (7, 2712593811), (21, 904197937), (43, 441585039), (61, 311281257), (129, 147195013), (183, 103760419), (301, 63083577), (427, 44468751), (903, 21027859), (1281, 14822917), (2623, 7239099), (7869, 2413033), (18361, 1034157), (55083, 344719)]