18398468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^2$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 36105552

約数和(自身を除く): 17707084

約数列:

[1, 2, 4, 11, 22, 44, 67, 79, 134, 158, 268, 316, 737, 869, 1474, 1738, 2948, 3476, 5293, 6241, 10586, 12482, 21172, 24964, 58223, 68651, 116446, 137302, 232892, 274604, 418147, 836294, 1672588, 4599617, 9199234, 18398468]

約数ペア:

[(1, 18398468), (2, 9199234), (4, 4599617), (11, 1672588), (22, 836294), (44, 418147), (67, 274604), (79, 232892), (134, 137302), (158, 116446), (268, 68651), (316, 58223), (737, 24964), (869, 21172), (1474, 12482), (1738, 10586), (2948, 6241), (3476, 5293)]