19989824

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{967}}^1$

素因数の和:1015

約数の個数: 56

約数和(自身を含む): 44256960

約数和(自身を除く): 24267136

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 967, 1088, 1216, 1292, 1934, 2584, 3868, 5168, 7736, 10336, 15472, 16439, 18373, 20672, 30944, 32878, 36746, 61888, 65756, 73492, 131512, 146984, 263024, 293968, 312341, 526048, 587936, 624682, 1052096, 1175872, 1249364, 2498728, 4997456, 9994912, 19989824]

約数ペア:

[(1, 19989824), (2, 9994912), (4, 4997456), (8, 2498728), (16, 1249364), (17, 1175872), (19, 1052096), (32, 624682), (34, 587936), (38, 526048), (64, 312341), (68, 293968), (76, 263024), (136, 146984), (152, 131512), (272, 73492), (304, 65756), (323, 61888), (544, 36746), (608, 32878), (646, 30944), (967, 20672), (1088, 18373), (1216, 16439), (1292, 15472), (1934, 10336), (2584, 7736), (3868, 5168)]