19419712

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1415

約数の個数: 56

約数和(自身を含む): 43973496

約数和(自身を除く): 24553784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1373, 1768, 2746, 3536, 5492, 7072, 10984, 14144, 17849, 21968, 23341, 35698, 43936, 46682, 71396, 87872, 93364, 142792, 186728, 285584, 303433, 373456, 571168, 606866, 746912, 1142336, 1213732, 1493824, 2427464, 4854928, 9709856, 19419712]

約数ペア:

[(1, 19419712), (2, 9709856), (4, 4854928), (8, 2427464), (13, 1493824), (16, 1213732), (17, 1142336), (26, 746912), (32, 606866), (34, 571168), (52, 373456), (64, 303433), (68, 285584), (104, 186728), (136, 142792), (208, 93364), (221, 87872), (272, 71396), (416, 46682), (442, 43936), (544, 35698), (832, 23341), (884, 21968), (1088, 17849), (1373, 14144), (1768, 10984), (2746, 7072), (3536, 5492)]