19618928

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3727}}^1$

素因数の和:3789

約数の個数: 40

約数和(自身を含む): 44378112

約数和(自身を除く): 24759184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3727, 5264, 7454, 14908, 26089, 29816, 52178, 59632, 104356, 175169, 208712, 350338, 417424, 700676, 1226183, 1401352, 2452366, 2802704, 4904732, 9809464, 19618928]

約数ペア:

[(1, 19618928), (2, 9809464), (4, 4904732), (7, 2802704), (8, 2452366), (14, 1401352), (16, 1226183), (28, 700676), (47, 417424), (56, 350338), (94, 208712), (112, 175169), (188, 104356), (329, 59632), (376, 52178), (658, 29816), (752, 26089), (1316, 14908), (2632, 7454), (3727, 5264)]