18762940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5827}}^1$

素因数の和:5866

約数の個数: 48

約数和(自身を含む): 46996992

約数和(自身を除く): 28234052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5827, 11654, 23308, 29135, 40789, 58270, 81578, 116540, 134021, 163156, 203945, 268042, 407890, 536084, 670105, 815780, 938147, 1340210, 1876294, 2680420, 3752588, 4690735, 9381470, 18762940]

約数ペア:

[(1, 18762940), (2, 9381470), (4, 4690735), (5, 3752588), (7, 2680420), (10, 1876294), (14, 1340210), (20, 938147), (23, 815780), (28, 670105), (35, 536084), (46, 407890), (70, 268042), (92, 203945), (115, 163156), (140, 134021), (161, 116540), (230, 81578), (322, 58270), (460, 40789), (644, 29135), (805, 23308), (1610, 11654), (3220, 5827)]