18321586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 30260160

約数和(自身を除く): 11938574

約数列:

[1, 2, 19, 37, 38, 74, 83, 157, 166, 314, 703, 1406, 1577, 2983, 3071, 3154, 5809, 5966, 6142, 11618, 13031, 26062, 58349, 110371, 116698, 220742, 247589, 482147, 495178, 964294, 9160793, 18321586]

約数ペア:

[(1, 18321586), (2, 9160793), (19, 964294), (37, 495178), (38, 482147), (74, 247589), (83, 220742), (157, 116698), (166, 110371), (314, 58349), (703, 26062), (1406, 13031), (1577, 11618), (2983, 6142), (3071, 5966), (3154, 5809)]