19125337

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 25171200

約数和(自身を除く): 6045863

約数列:

[1, 7, 11, 37, 49, 77, 137, 259, 343, 407, 539, 959, 1507, 1813, 2849, 3773, 5069, 6713, 10549, 12691, 19943, 35483, 46991, 55759, 73843, 139601, 248381, 390313, 516901, 1738667, 2732191, 19125337]

約数ペア:

[(1, 19125337), (7, 2732191), (11, 1738667), (37, 516901), (49, 390313), (77, 248381), (137, 139601), (259, 73843), (343, 55759), (407, 46991), (539, 35483), (959, 19943), (1507, 12691), (1813, 10549), (2849, 6713), (3773, 5069)]