19851104

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:448

約数の個数: 96

約数和(自身を含む): 51057216

約数和(自身を除く): 31206112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 401, 416, 442, 476, 544, 728, 802, 884, 952, 1456, 1547, 1604, 1768, 1904, 2807, 2912, 3094, 3208, 3536, 3808, 5213, 5614, 6188, 6416, 6817, 7072, 10426, 11228, 12376, 12832, 13634, 20852, 22456, 24752, 27268, 36491, 41704, 44912, 47719, 49504, 54536, 72982, 83408, 88621, 89824, 95438, 109072, 145964, 166816, 177242, 190876, 218144, 291928, 354484, 381752, 583856, 620347, 708968, 763504, 1167712, 1240694, 1417936, 1527008, 2481388, 2835872, 4962776, 9925552, 19851104]

約数ペア:

[(1, 19851104), (2, 9925552), (4, 4962776), (7, 2835872), (8, 2481388), (13, 1527008), (14, 1417936), (16, 1240694), (17, 1167712), (26, 763504), (28, 708968), (32, 620347), (34, 583856), (52, 381752), (56, 354484), (68, 291928), (91, 218144), (104, 190876), (112, 177242), (119, 166816), (136, 145964), (182, 109072), (208, 95438), (221, 89824), (224, 88621), (238, 83408), (272, 72982), (364, 54536), (401, 49504), (416, 47719), (442, 44912), (476, 41704), (544, 36491), (728, 27268), (802, 24752), (884, 22456), (952, 20852), (1456, 13634), (1547, 12832), (1604, 12376), (1768, 11228), (1904, 10426), (2807, 7072), (2912, 6817), (3094, 6416), (3208, 6188), (3536, 5614), (3808, 5213)]