18885902

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 33808320

約数和(自身を除く): 14922418

約数列:

[1, 2, 7, 14, 29, 58, 181, 203, 257, 362, 406, 514, 1267, 1799, 2534, 3598, 5249, 7453, 10498, 14906, 36743, 46517, 52171, 73486, 93034, 104342, 325619, 651238, 1348993, 2697986, 9442951, 18885902]

約数ペア:

[(1, 18885902), (2, 9442951), (7, 2697986), (14, 1348993), (29, 651238), (58, 325619), (181, 104342), (203, 93034), (257, 73486), (362, 52171), (406, 46517), (514, 36743), (1267, 14906), (1799, 10498), (2534, 7453), (3598, 5249)]