19774744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11827}}^1$

素因数の和:11863

約数の個数: 32

約数和(自身を含む): 42580800

約数和(自身を除く): 22806056

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 11827, 23654, 47308, 94616, 130097, 224713, 260194, 449426, 520388, 898852, 1040776, 1797704, 2471843, 4943686, 9887372, 19774744]

約数ペア:

[(1, 19774744), (2, 9887372), (4, 4943686), (8, 2471843), (11, 1797704), (19, 1040776), (22, 898852), (38, 520388), (44, 449426), (76, 260194), (88, 224713), (152, 130097), (209, 94616), (418, 47308), (836, 23654), (1672, 11827)]