19935424

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 56

約数和(自身を含む): 42629328

約数和(自身を除く): 22693904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 251, 272, 292, 502, 544, 584, 1004, 1088, 1168, 1241, 2008, 2336, 2482, 4016, 4267, 4672, 4964, 8032, 8534, 9928, 16064, 17068, 18323, 19856, 34136, 36646, 39712, 68272, 73292, 79424, 136544, 146584, 273088, 293168, 311491, 586336, 622982, 1172672, 1245964, 2491928, 4983856, 9967712, 19935424]

約数ペア:

[(1, 19935424), (2, 9967712), (4, 4983856), (8, 2491928), (16, 1245964), (17, 1172672), (32, 622982), (34, 586336), (64, 311491), (68, 293168), (73, 273088), (136, 146584), (146, 136544), (251, 79424), (272, 73292), (292, 68272), (502, 39712), (544, 36646), (584, 34136), (1004, 19856), (1088, 18323), (1168, 17068), (1241, 16064), (2008, 9928), (2336, 8534), (2482, 8032), (4016, 4964), (4267, 4672)]