19488644

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21153916

約数列:

[1, 2, 4, 7, 14, 28, 47, 59, 94, 118, 188, 236, 251, 329, 413, 502, 658, 826, 1004, 1316, 1652, 1757, 2773, 3514, 5546, 7028, 11092, 11797, 14809, 19411, 23594, 29618, 38822, 47188, 59236, 77644, 82579, 103663, 165158, 207326, 330316, 414652, 696023, 1392046, 2784092, 4872161, 9744322, 19488644]

約数ペア:

[(1, 19488644), (2, 9744322), (4, 4872161), (7, 2784092), (14, 1392046), (28, 696023), (47, 414652), (59, 330316), (94, 207326), (118, 165158), (188, 103663), (236, 82579), (251, 77644), (329, 59236), (413, 47188), (502, 38822), (658, 29618), (826, 23594), (1004, 19411), (1316, 14809), (1652, 11797), (1757, 11092), (2773, 7028), (3514, 5546)]