19780330756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{39103}}^1$

素因数の和:39340

約数の個数: 48

約数和(自身を含む): 37721908224

約数和(自身を除く): 17941577468

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 173, 346, 692, 731, 1462, 2924, 2941, 5882, 7439, 11764, 14878, 29756, 39103, 78206, 126463, 156412, 252926, 505852, 664751, 1329502, 1681429, 2659004, 3362858, 6725716, 6764819, 13529638, 27059276, 28584293, 57168586, 114337172, 115001923, 230003846, 290887217, 460007692, 581774434, 1163548868, 4945082689, 9890165378, 19780330756]

約数ペア:

[(1, 19780330756), (2, 9890165378), (4, 4945082689), (17, 1163548868), (34, 581774434), (43, 460007692), (68, 290887217), (86, 230003846), (172, 115001923), (173, 114337172), (346, 57168586), (692, 28584293), (731, 27059276), (1462, 13529638), (2924, 6764819), (2941, 6725716), (5882, 3362858), (7439, 2659004), (11764, 1681429), (14878, 1329502), (29756, 664751), (39103, 505852), (78206, 252926), (126463, 156412)]