19111504

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13421}}^1$

素因数の和:13518

約数の個数: 20

約数和(自身を含む): 37447380

約数和(自身を除く): 18335876

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13421, 26842, 53684, 107368, 214736, 1194469, 2388938, 4777876, 9555752, 19111504]

約数ペア:

[(1, 19111504), (2, 9555752), (4, 4777876), (8, 2388938), (16, 1194469), (89, 214736), (178, 107368), (356, 53684), (712, 26842), (1424, 13421)]