19441275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 38688000

約数和(自身を除く): 19246725

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1949, 1995, 3325, 5847, 9745, 9975, 13643, 29235, 37031, 40929, 48725, 68215, 111093, 146175, 185155, 204645, 259217, 341075, 555465, 777651, 925775, 1023225, 1296085, 2777325, 3888255, 6480425, 19441275]

約数ペア:

[(1, 19441275), (3, 6480425), (5, 3888255), (7, 2777325), (15, 1296085), (19, 1023225), (21, 925775), (25, 777651), (35, 555465), (57, 341075), (75, 259217), (95, 204645), (105, 185155), (133, 146175), (175, 111093), (285, 68215), (399, 48725), (475, 40929), (525, 37031), (665, 29235), (1425, 13643), (1949, 9975), (1995, 9745), (3325, 5847)]