191503888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 415152000

約数和(自身を除く): 223648112

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 61, 76, 92, 122, 152, 184, 244, 304, 368, 437, 449, 488, 874, 898, 976, 1159, 1403, 1748, 1796, 2318, 2806, 3496, 3592, 4636, 5612, 6992, 7184, 8531, 9272, 10327, 11224, 17062, 18544, 20654, 22448, 26657, 27389, 34124, 41308, 53314, 54778, 68248, 82616, 106628, 109556, 136496, 165232, 196213, 213256, 219112, 392426, 426512, 438224, 520391, 629947, 784852, 1040782, 1259894, 1569704, 2081564, 2519788, 3139408, 4163128, 5039576, 8326256, 10079152, 11968993, 23937986, 47875972, 95751944, 191503888]

約数ペア:

[(1, 191503888), (2, 95751944), (4, 47875972), (8, 23937986), (16, 11968993), (19, 10079152), (23, 8326256), (38, 5039576), (46, 4163128), (61, 3139408), (76, 2519788), (92, 2081564), (122, 1569704), (152, 1259894), (184, 1040782), (244, 784852), (304, 629947), (368, 520391), (437, 438224), (449, 426512), (488, 392426), (874, 219112), (898, 213256), (976, 196213), (1159, 165232), (1403, 136496), (1748, 109556), (1796, 106628), (2318, 82616), (2806, 68248), (3496, 54778), (3592, 53314), (4636, 41308), (5612, 34124), (6992, 27389), (7184, 26657), (8531, 22448), (9272, 20654), (10327, 18544), (11224, 17062)]