19448560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 47809440

約数和(自身を除く): 28360880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 83, 101, 116, 145, 166, 202, 232, 290, 332, 404, 415, 464, 505, 580, 664, 808, 830, 1010, 1160, 1328, 1616, 1660, 2020, 2320, 2407, 2929, 3320, 4040, 4814, 5858, 6640, 8080, 8383, 9628, 11716, 12035, 14645, 16766, 19256, 23432, 24070, 29290, 33532, 38512, 41915, 46864, 48140, 58580, 67064, 83830, 96280, 117160, 134128, 167660, 192560, 234320, 243107, 335320, 486214, 670640, 972428, 1215535, 1944856, 2431070, 3889712, 4862140, 9724280, 19448560]

約数ペア:

[(1, 19448560), (2, 9724280), (4, 4862140), (5, 3889712), (8, 2431070), (10, 1944856), (16, 1215535), (20, 972428), (29, 670640), (40, 486214), (58, 335320), (80, 243107), (83, 234320), (101, 192560), (116, 167660), (145, 134128), (166, 117160), (202, 96280), (232, 83830), (290, 67064), (332, 58580), (404, 48140), (415, 46864), (464, 41915), (505, 38512), (580, 33532), (664, 29290), (808, 24070), (830, 23432), (1010, 19256), (1160, 16766), (1328, 14645), (1616, 12035), (1660, 11716), (2020, 9628), (2320, 8383), (2407, 8080), (2929, 6640), (3320, 5858), (4040, 4814)]