19864242

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 45007872

約数和(自身を除く): 25143630

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 97, 186, 194, 279, 291, 367, 558, 582, 734, 873, 1101, 1746, 2202, 3007, 3303, 6014, 6606, 9021, 11377, 18042, 22754, 27063, 34131, 35599, 54126, 68262, 71198, 102393, 106797, 204786, 213594, 320391, 640782, 1103569, 2207138, 3310707, 6621414, 9932121, 19864242]

約数ペア:

[(1, 19864242), (2, 9932121), (3, 6621414), (6, 3310707), (9, 2207138), (18, 1103569), (31, 640782), (62, 320391), (93, 213594), (97, 204786), (186, 106797), (194, 102393), (279, 71198), (291, 68262), (367, 54126), (558, 35599), (582, 34131), (734, 27063), (873, 22754), (1101, 18042), (1746, 11377), (2202, 9021), (3007, 6606), (3303, 6014)]