19831686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 27477114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 79, 86, 129, 139, 158, 237, 258, 278, 301, 417, 474, 553, 602, 834, 903, 973, 1106, 1659, 1806, 1946, 2919, 3318, 3397, 5838, 5977, 6794, 10191, 10981, 11954, 17931, 20382, 21962, 23779, 32943, 35862, 41839, 47558, 65886, 71337, 76867, 83678, 125517, 142674, 153734, 230601, 251034, 461202, 472183, 944366, 1416549, 2833098, 3305281, 6610562, 9915843, 19831686]

約数ペア:

[(1, 19831686), (2, 9915843), (3, 6610562), (6, 3305281), (7, 2833098), (14, 1416549), (21, 944366), (42, 472183), (43, 461202), (79, 251034), (86, 230601), (129, 153734), (139, 142674), (158, 125517), (237, 83678), (258, 76867), (278, 71337), (301, 65886), (417, 47558), (474, 41839), (553, 35862), (602, 32943), (834, 23779), (903, 21962), (973, 20382), (1106, 17931), (1659, 11954), (1806, 10981), (1946, 10191), (2919, 6794), (3318, 5977), (3397, 5838)]