15490472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 30777600

約数和(自身を除く): 15287128

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 223, 446, 457, 892, 914, 1784, 1828, 3656, 4237, 8474, 8683, 16948, 17366, 33896, 34732, 69464, 101911, 203822, 407644, 815288, 1936309, 3872618, 7745236, 15490472]

約数ペア:

[(1, 15490472), (2, 7745236), (4, 3872618), (8, 1936309), (19, 815288), (38, 407644), (76, 203822), (152, 101911), (223, 69464), (446, 34732), (457, 33896), (892, 17366), (914, 16948), (1784, 8683), (1828, 8474), (3656, 4237)]