18680268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{81931}}^1$

素因数の和:81957

約数の個数: 24

約数和(自身を含む): 45881920

約数和(自身を除く): 27201652

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 81931, 163862, 245793, 327724, 491586, 983172, 1556689, 3113378, 4670067, 6226756, 9340134, 18680268]

約数ペア:

[(1, 18680268), (2, 9340134), (3, 6226756), (4, 4670067), (6, 3113378), (12, 1556689), (19, 983172), (38, 491586), (57, 327724), (76, 245793), (114, 163862), (228, 81931)]