19864738

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 33343488

約数和(自身を除く): 13478750

約数列:

[1, 2, 17, 31, 34, 47, 62, 94, 401, 527, 799, 802, 1054, 1457, 1598, 2914, 6817, 12431, 13634, 18847, 24769, 24862, 37694, 49538, 211327, 320399, 422654, 584257, 640798, 1168514, 9932369, 19864738]

約数ペア:

[(1, 19864738), (2, 9932369), (17, 1168514), (31, 640798), (34, 584257), (47, 422654), (62, 320399), (94, 211327), (401, 49538), (527, 37694), (799, 24862), (802, 24769), (1054, 18847), (1457, 13634), (1598, 12431), (2914, 6817)]