19431148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2113}}^1$

素因数の和:2158

約数の個数: 36

約数和(自身を含む): 39362680

約数和(自身を除く): 19931532

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2113, 2299, 4226, 4598, 8452, 9196, 23243, 40147, 46486, 80294, 92972, 160588, 255673, 441617, 511346, 883234, 1022692, 1766468, 4857787, 9715574, 19431148]

約数ペア:

[(1, 19431148), (2, 9715574), (4, 4857787), (11, 1766468), (19, 1022692), (22, 883234), (38, 511346), (44, 441617), (76, 255673), (121, 160588), (209, 92972), (242, 80294), (418, 46486), (484, 40147), (836, 23243), (2113, 9196), (2299, 8452), (4226, 4598)]