19901334

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 20728266

約数列:

[1, 2, 3, 6, 113, 149, 197, 226, 298, 339, 394, 447, 591, 678, 894, 1182, 16837, 22261, 29353, 33674, 44522, 50511, 58706, 66783, 88059, 101022, 133566, 176118, 3316889, 6633778, 9950667, 19901334]

約数ペア:

[(1, 19901334), (2, 9950667), (3, 6633778), (6, 3316889), (113, 176118), (149, 133566), (197, 101022), (226, 88059), (298, 66783), (339, 58706), (394, 50511), (447, 44522), (591, 33674), (678, 29353), (894, 22261), (1182, 16837)]