19871008070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{21383}}^1$

素因数の和:21549

約数の個数: 64

約数和(自身を含む): 38737543680

約数和(自身を除く): 18866535610

約数列:

[1, 2, 5, 10, 19, 38, 67, 73, 95, 134, 146, 190, 335, 365, 670, 730, 1273, 1387, 2546, 2774, 4891, 6365, 6935, 9782, 12730, 13870, 21383, 24455, 42766, 48910, 92929, 106915, 185858, 213830, 406277, 464645, 812554, 929290, 1432661, 1560959, 2031385, 2865322, 3121918, 4062770, 7163305, 7804795, 14326610, 15609590, 27220559, 29658221, 54441118, 59316442, 104584253, 136102795, 148291105, 209168506, 272205590, 296582210, 522921265, 1045842530, 1987100807, 3974201614, 9935504035, 19871008070]

約数ペア:

[(1, 19871008070), (2, 9935504035), (5, 3974201614), (10, 1987100807), (19, 1045842530), (38, 522921265), (67, 296582210), (73, 272205590), (95, 209168506), (134, 148291105), (146, 136102795), (190, 104584253), (335, 59316442), (365, 54441118), (670, 29658221), (730, 27220559), (1273, 15609590), (1387, 14326610), (2546, 7804795), (2774, 7163305), (4891, 4062770), (6365, 3121918), (6935, 2865322), (9782, 2031385), (12730, 1560959), (13870, 1432661), (21383, 929290), (24455, 812554), (42766, 464645), (48910, 406277), (92929, 213830), (106915, 185858)]