19719112

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25900088

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 431, 532, 602, 817, 862, 1064, 1204, 1634, 1724, 2408, 3017, 3268, 3448, 5719, 6034, 6536, 8189, 11438, 12068, 16378, 18533, 22876, 24136, 32756, 37066, 45752, 57323, 65512, 74132, 114646, 129731, 148264, 229292, 259462, 352127, 458584, 518924, 704254, 1037848, 1408508, 2464889, 2817016, 4929778, 9859556, 19719112]

約数ペア:

[(1, 19719112), (2, 9859556), (4, 4929778), (7, 2817016), (8, 2464889), (14, 1408508), (19, 1037848), (28, 704254), (38, 518924), (43, 458584), (56, 352127), (76, 259462), (86, 229292), (133, 148264), (152, 129731), (172, 114646), (266, 74132), (301, 65512), (344, 57323), (431, 45752), (532, 37066), (602, 32756), (817, 24136), (862, 22876), (1064, 18533), (1204, 16378), (1634, 12068), (1724, 11438), (2408, 8189), (3017, 6536), (3268, 6034), (3448, 5719)]