19624428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 52442208

約数和(自身を除く): 32817780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 173, 207, 274, 276, 346, 411, 414, 519, 548, 692, 822, 828, 1038, 1233, 1557, 1644, 2076, 2466, 3114, 3151, 3979, 4932, 6228, 6302, 7958, 9453, 11937, 12604, 15916, 18906, 23701, 23874, 28359, 35811, 37812, 47402, 47748, 56718, 71103, 71622, 94804, 113436, 142206, 143244, 213309, 284412, 426618, 545123, 853236, 1090246, 1635369, 2180492, 3270738, 4906107, 6541476, 9812214, 19624428]

約数ペア:

[(1, 19624428), (2, 9812214), (3, 6541476), (4, 4906107), (6, 3270738), (9, 2180492), (12, 1635369), (18, 1090246), (23, 853236), (36, 545123), (46, 426618), (69, 284412), (92, 213309), (137, 143244), (138, 142206), (173, 113436), (207, 94804), (274, 71622), (276, 71103), (346, 56718), (411, 47748), (414, 47402), (519, 37812), (548, 35811), (692, 28359), (822, 23874), (828, 23701), (1038, 18906), (1233, 15916), (1557, 12604), (1644, 11937), (2076, 9453), (2466, 7958), (3114, 6302), (3151, 6228), (3979, 4932)]