19605872

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 120

約数和(自身を含む): 48486480

約数和(自身を除く): 28880608

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 38, 41, 44, 52, 76, 82, 88, 104, 121, 143, 152, 164, 176, 208, 209, 242, 247, 286, 304, 328, 418, 451, 484, 494, 533, 572, 656, 779, 836, 902, 968, 988, 1066, 1144, 1558, 1573, 1672, 1804, 1936, 1976, 2132, 2288, 2299, 2717, 3116, 3146, 3344, 3608, 3952, 4264, 4598, 4961, 5434, 5863, 6232, 6292, 7216, 8528, 8569, 9196, 9922, 10127, 10868, 11726, 12464, 12584, 17138, 18392, 19844, 20254, 21736, 23452, 25168, 29887, 34276, 36784, 39688, 40508, 43472, 46904, 59774, 64493, 68552, 79376, 81016, 93808, 94259, 111397, 119548, 128986, 137104, 162032, 188518, 222794, 239096, 257972, 377036, 445588, 478192, 515944, 754072, 891176, 1031888, 1225367, 1508144, 1782352, 2450734, 4901468, 9802936, 19605872]

約数ペア:

[(1, 19605872), (2, 9802936), (4, 4901468), (8, 2450734), (11, 1782352), (13, 1508144), (16, 1225367), (19, 1031888), (22, 891176), (26, 754072), (38, 515944), (41, 478192), (44, 445588), (52, 377036), (76, 257972), (82, 239096), (88, 222794), (104, 188518), (121, 162032), (143, 137104), (152, 128986), (164, 119548), (176, 111397), (208, 94259), (209, 93808), (242, 81016), (247, 79376), (286, 68552), (304, 64493), (328, 59774), (418, 46904), (451, 43472), (484, 40508), (494, 39688), (533, 36784), (572, 34276), (656, 29887), (779, 25168), (836, 23452), (902, 21736), (968, 20254), (988, 19844), (1066, 18392), (1144, 17138), (1558, 12584), (1573, 12464), (1672, 11726), (1804, 10868), (1936, 10127), (1976, 9922), (2132, 9196), (2288, 8569), (2299, 8528), (2717, 7216), (3116, 6292), (3146, 6232), (3344, 5863), (3608, 5434), (3952, 4961), (4264, 4598)]