19853552

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1625

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 21768784

約数列:

[1, 2, 4, 8, 16, 17, 34, 47, 68, 94, 136, 188, 272, 376, 752, 799, 1553, 1598, 3106, 3196, 6212, 6392, 12424, 12784, 24848, 26401, 52802, 72991, 105604, 145982, 211208, 291964, 422416, 583928, 1167856, 1240847, 2481694, 4963388, 9926776, 19853552]

約数ペア:

[(1, 19853552), (2, 9926776), (4, 4963388), (8, 2481694), (16, 1240847), (17, 1167856), (34, 583928), (47, 422416), (68, 291964), (94, 211208), (136, 145982), (188, 105604), (272, 72991), (376, 52802), (752, 26401), (799, 24848), (1553, 12784), (1598, 12424), (3106, 6392), (3196, 6212)]