18660866

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 36049536

約数和(自身を除く): 17388670

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 98, 119, 161, 238, 322, 391, 487, 782, 833, 974, 1127, 1666, 2254, 2737, 3409, 5474, 6818, 8279, 11201, 16558, 19159, 22402, 23863, 38318, 47726, 57953, 78407, 115906, 156814, 190417, 380834, 405671, 548849, 811342, 1097698, 1332919, 2665838, 9330433, 18660866]

約数ペア:

[(1, 18660866), (2, 9330433), (7, 2665838), (14, 1332919), (17, 1097698), (23, 811342), (34, 548849), (46, 405671), (49, 380834), (98, 190417), (119, 156814), (161, 115906), (238, 78407), (322, 57953), (391, 47726), (487, 38318), (782, 23863), (833, 22402), (974, 19159), (1127, 16558), (1666, 11201), (2254, 8279), (2737, 6818), (3409, 5474)]