19188778

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 34364160

約数和(自身を除く): 15175382

約数列:

[1, 2, 7, 14, 29, 58, 151, 203, 302, 313, 406, 626, 1057, 2114, 2191, 4379, 4382, 8758, 9077, 18154, 30653, 47263, 61306, 63539, 94526, 127078, 330841, 661682, 1370627, 2741254, 9594389, 19188778]

約数ペア:

[(1, 19188778), (2, 9594389), (7, 2741254), (14, 1370627), (29, 661682), (58, 330841), (151, 127078), (203, 94526), (302, 63539), (313, 61306), (406, 47263), (626, 30653), (1057, 18154), (2114, 9077), (2191, 8758), (4379, 4382)]