16809642

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2137}}^1$

素因数の和:2187

約数の個数: 48

約数和(自身を含む): 40023360

約数和(自身を除く): 23213718

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2137, 2622, 3933, 4274, 6411, 7866, 12822, 19233, 38466, 40603, 49151, 81206, 98302, 121809, 147453, 243618, 294906, 365427, 442359, 730854, 884718, 933869, 1867738, 2801607, 5603214, 8404821, 16809642]

約数ペア:

[(1, 16809642), (2, 8404821), (3, 5603214), (6, 2801607), (9, 1867738), (18, 933869), (19, 884718), (23, 730854), (38, 442359), (46, 365427), (57, 294906), (69, 243618), (114, 147453), (138, 121809), (171, 98302), (207, 81206), (342, 49151), (414, 40603), (437, 38466), (874, 19233), (1311, 12822), (2137, 7866), (2622, 6411), (3933, 4274)]