19815632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65183}}^1$

素因数の和:65210

約数の個数: 20

約数和(自身を含む): 40414080

約数和(自身を除く): 20598448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65183, 130366, 260732, 521464, 1042928, 1238477, 2476954, 4953908, 9907816, 19815632]

約数ペア:

[(1, 19815632), (2, 9907816), (4, 4953908), (8, 2476954), (16, 1238477), (19, 1042928), (38, 521464), (76, 260732), (152, 130366), (304, 65183)]