19269838

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 36115200

約数和(自身を除く): 16845362

約数列:

[1, 2, 7, 14, 19, 38, 49, 79, 98, 131, 133, 158, 262, 266, 553, 917, 931, 1106, 1501, 1834, 1862, 2489, 3002, 3871, 4978, 6419, 7742, 10349, 10507, 12838, 17423, 20698, 21014, 34846, 72443, 73549, 121961, 144886, 147098, 196631, 243922, 393262, 507101, 1014202, 1376417, 2752834, 9634919, 19269838]

約数ペア:

[(1, 19269838), (2, 9634919), (7, 2752834), (14, 1376417), (19, 1014202), (38, 507101), (49, 393262), (79, 243922), (98, 196631), (131, 147098), (133, 144886), (158, 121961), (262, 73549), (266, 72443), (553, 34846), (917, 21014), (931, 20698), (1106, 17423), (1501, 12838), (1834, 10507), (1862, 10349), (2489, 7742), (3002, 6419), (3871, 4978)]