19514912

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 42116760

約数和(自身を除く): 22601848

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1237, 1972, 2474, 3944, 4948, 7888, 9896, 15776, 19792, 21029, 35873, 39584, 42058, 71746, 84116, 143492, 168232, 286984, 336464, 573968, 609841, 672928, 1147936, 1219682, 2439364, 4878728, 9757456, 19514912]

約数ペア:

[(1, 19514912), (2, 9757456), (4, 4878728), (8, 2439364), (16, 1219682), (17, 1147936), (29, 672928), (32, 609841), (34, 573968), (58, 336464), (68, 286984), (116, 168232), (136, 143492), (232, 84116), (272, 71746), (464, 42058), (493, 39584), (544, 35873), (928, 21029), (986, 19792), (1237, 15776), (1972, 9896), (2474, 7888), (3944, 4948)]