18781722

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 42561792

約数和(自身を除く): 23780070

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 97, 186, 194, 279, 291, 347, 558, 582, 694, 873, 1041, 1746, 2082, 3007, 3123, 6014, 6246, 9021, 10757, 18042, 21514, 27063, 32271, 33659, 54126, 64542, 67318, 96813, 100977, 193626, 201954, 302931, 605862, 1043429, 2086858, 3130287, 6260574, 9390861, 18781722]

約数ペア:

[(1, 18781722), (2, 9390861), (3, 6260574), (6, 3130287), (9, 2086858), (18, 1043429), (31, 605862), (62, 302931), (93, 201954), (97, 193626), (186, 100977), (194, 96813), (279, 67318), (291, 64542), (347, 54126), (558, 33659), (582, 32271), (694, 27063), (873, 21514), (1041, 18042), (1746, 10757), (2082, 9021), (3007, 6246), (3123, 6014)]