18557224

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 23951576

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 107, 133, 152, 163, 214, 266, 326, 428, 532, 652, 749, 856, 1064, 1141, 1304, 1498, 2033, 2282, 2996, 3097, 4066, 4564, 5992, 6194, 8132, 9128, 12388, 14231, 16264, 17441, 21679, 24776, 28462, 34882, 43358, 56924, 69764, 86716, 113848, 122087, 139528, 173432, 244174, 331379, 488348, 662758, 976696, 1325516, 2319653, 2651032, 4639306, 9278612, 18557224]

約数ペア:

[(1, 18557224), (2, 9278612), (4, 4639306), (7, 2651032), (8, 2319653), (14, 1325516), (19, 976696), (28, 662758), (38, 488348), (56, 331379), (76, 244174), (107, 173432), (133, 139528), (152, 122087), (163, 113848), (214, 86716), (266, 69764), (326, 56924), (428, 43358), (532, 34882), (652, 28462), (749, 24776), (856, 21679), (1064, 17441), (1141, 16264), (1304, 14231), (1498, 12388), (2033, 9128), (2282, 8132), (2996, 6194), (3097, 5992), (4066, 4564)]