2009721872

素因数分解:

$2^4\times {\mathrm{1181}}^1\times {\mathrm{106357}}^1$

素因数の和:107546

約数の個数: 20

約数和(自身を含む): 3897169836

約数和(自身を除く): 1887447964

約数列:

[1, 2, 4, 8, 16, 1181, 2362, 4724, 9448, 18896, 106357, 212714, 425428, 850856, 1701712, 125607617, 251215234, 502430468, 1004860936, 2009721872]

約数ペア:

[(1, 2009721872), (2, 1004860936), (4, 502430468), (8, 251215234), (16, 125607617), (1181, 1701712), (2362, 850856), (4724, 425428), (9448, 212714), (18896, 106357)]