19761390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19961}}^1$

素因数の和:19985

約数の個数: 48

約数和(自身を含む): 56053296

約数和(自身を除く): 36291906

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19961, 39922, 59883, 99805, 119766, 179649, 199610, 219571, 299415, 359298, 439142, 598830, 658713, 898245, 1097855, 1317426, 1796490, 1976139, 2195710, 3293565, 3952278, 6587130, 9880695, 19761390]

約数ペア:

[(1, 19761390), (2, 9880695), (3, 6587130), (5, 3952278), (6, 3293565), (9, 2195710), (10, 1976139), (11, 1796490), (15, 1317426), (18, 1097855), (22, 898245), (30, 658713), (33, 598830), (45, 439142), (55, 359298), (66, 299415), (90, 219571), (99, 199610), (110, 179649), (165, 119766), (198, 99805), (330, 59883), (495, 39922), (990, 19961)]